H.M. Ziethen, A.X. Trautwein and H. Winkler,
Size determination of metallic iron particles by temperature dependent Mössbauer and ferromagnetic resonance studies , Hyperfine Interactions , vol. 56, no. 1-4, pp. 1733--1738, 1990.

A. Gismelseed, E.L. Bominaar, E. Bill, A.X. Trautwein, H. Winkler, H. Nasri, P. Doppelt, D. Mandon, J. Fischer and R. Weiss,
Six-Coordinate Quantum-Mechanically Weakly Spin-Mixed (S = 5/2, 3/2) (Triflato)aquoiron(III) ``Picket-Fence'' Porphyrin Complex: Synthesis and Structural, Mössbauer, EPR, and Magnetic Characterization , Inorganic Chemistry , vol. 29, no. 15, pp. 2741--2749, 1990.

B.F. Matzanke, E. Bill, A.X. Trautwein and G. Winkelmann,
Siderophores as iron storage compounds in the yeasts Rhodotorula minuta and Ustilago sphaerogena detected by in vivo Mössbauer spectroscopy , Hyperfine Interactions , vol. 58, no. 1-4, pp. 2359--2364, 1990.

D. Laroque, H. Winkler, E. Bill, I. Morgenstern-Badarau and A.X. Trautwein,
Spin-spin relaxation in heteropolynuclear clusters containing iron(III) and copper(II) ions , Hyperfine Interactions , vol. 56, no. 1-4, pp. 1453--1458, 1990.

H. Winkler, M. Franke, A.X. Trautwein and F. Parak,
Recombination studies of photodissociated MbCO by Mössbauer spectroscopy at low temperatures , Hyperfine Interactions , vol. 58, no. 1-4, pp. 2405--2411, 1990.

A Gismelseed, E L Bominaar, E Bill, A X Trautwein, H Winkler, H Nasri, P Doppelt, D Mandon, J Fischer and R Weiss,
6-COORDINATE QUANTUM-MECHANICALLY WEAKLY SPIN-MIXED (S = 5/2, 3/2) (TRIFLATO)AQUOIRON(III) PICKET-FENCE PORPHYRIN COMPLEX - SYNTHESIS AND STRUCTURAL, MössBAUER, EPR, AND MAGNETIC CHARACTERIZATION , Inorganic Chemistry , vol. 29, no. 15, pp. 2741--2749, 1990.

E. Bill, E.L. Bominaar, X.-Q. Ding, A.X. Trautwein, H. Winkler, D. Mandon, R. Weiss, A. Gold, K. Jayaraj and G.E. Toney,
Oxoferryl porphyrin cation radicals in model systems: Evidence for variable metal-radical spin coupling , Hyperfine Interactions , vol. 58, no. 1-4, pp. 2343--2348, 1990.

H.-R. Chang, J.K. McCusker, S.R. Wilson, D.N. Hendrickson, H. Toftlund, A.X. Trautwein and H. Winkler,
(Tetrakis(2-pyridylmethyl)ethylenediamine)iron(II) Perchlorate, the First Rapidly Interconverting Ferrous Spin-Crossover Complex , Journal of the American Chemical Society , vol. 112, no. 19, pp. 6814--6827, 1990.

B F Matzanke, E Bill, A X Trautwein and G Winkelmann,
SIDEROPHORES AS IRON STORAGE COMPOUNDS IN THE YEASTS RHODOTORULA-MINUTA AND USTILAGO-SPHAEROGENA DETECTED BY INVIVO MössBAUER-SPECTROSCOPY , Hyperfine Interactions , vol. 58, no. 1-4, pp. 2359--2364, 1990.

E. Bill, X.‐Q. Q DING, E.L. L Bominaar, A.X. X Trautwein, H. Winkler, D. Mandon, R. Weiss, A. Gold, K. Jayaraj, W.E. E HATFIELD and M.L. L KIRK,
EVIDENCE FOR VARIABLE METAL-RADICAL SPIN COUPLING IN OXOFERRYLPORPHYRIN CATION RADICAL COMPLEXES , European Journal of Biochemistry , vol. 188, no. 3, pp. 665--672, 1990.

X.-Q. Q Ding, E.L. L Bominaar, E. Bill, H. Winkler, A.X. X Trautwein, S Drueke, PH. H Chaudhuri, K. Wieghardt and S. Drüeke,
MössBAUER STUDY OF A NOVEL BINUCLEAR FE(II/III) DELOCALIZED-VALENCE COMPOUND , Hyperfine Interactions , vol. 53, no. 1-4, pp. 311--315, 1990.

X.-Q. Q Ding, E.L. L Bominaar, E. Bill, H. Winkler, A.X. X Trautwein, S. Drüeke, P. Chaudhuri, K. Wieghardt and S Drueke,
MössBAUER AND ELECTRON-PARAMAGNETIC RESONANCE STUDY OF THE DOUBLE-EXCHANGE AND HEISENBERG-EXCHANGE INTERACTIONS IN A NOVEL BINUCLEAR FE(II/III) DELOCALIZED-VALENCE COMPOUND , Journal of Chemical Physics , vol. 92, no. 1, pp. 178--186, 1990.

H.M. Ziethen, A.X. Trautwein, H. Winkler and F. Schmidt,
Iron Particle Characterization in NaX Zeolite by Temperature Dependent Möussbauer and FMR Studies. .... 1989.

H.M. Ziethen and A.X. Trautwein,
Thermal Decomposition of Ironpentacarbonyl in Zeolites of Faujasite Type. A Study of the Influence of Argon, H2, H2/CO Gas Mixture and Various Si/Al Ratios Using Mössbauer, ESR and MASS Spectroscopy. .... 1989.

S Drueke, P Chaudhuri, K Pohl, K Wieghardt, X Q Ding, E Bill, A Sawaryn, A X Trautwein, H Winkler and S J Gurman,
THE NOVEL MIXED-VALENCE, EXCHANGE-COUPLED, CLASS-III DIMER [L2FE2(MU-OH)3]2+ (L = N,N',N''-TRIMETHYL-1,4,7-TRIAZACYCLONONANE) , Journal of the Chemical Society-Chemical Communications , no. 1, pp. 59--62, 1989.

S. Drüeke, P. Chaudhuri, K. Pohl, K. Wieghardt, X.-Q. Ding, E. Bill, A. Sawaryn, A.X. Trautwein, H. Winkler and S.J. Gurman,
The novel mixed-valence, exchange-coupled, class III dimer [L 2Fe2(µ-OH)3]2+ (L = N,N′,N″-trimethyl-1,4,7-triazacyclononane) , Journal of the Chemical Society, Chemical Communications , no. 1, pp. 59--62, 1989.

M Schappacher, L Ricard, J Fischer, R Weiss, R Montielmontoya, E Bill and A X Trautwein,
SYNTHESIS, STRUCTURE, AND SPECTROSCOPIC PROPERTIES OF 5-COORDINATE MERCAPTOIRON(II) PORPHYRINS - MODELS FOR THE REDUCED STATE OF CYTOCHROME-P450 , Inorganic Chemistry , vol. 28, no. 26, pp. 4639--4645, 1989.

E. Bill, X.-Q. Ding, H. Winkler, A.X. Trautwein and U. Gonser,
Spin coupling in iron proteins and model complexes , Hyperfine Interactions , vol. 47-48, no. 1-4, pp. 329--342, 1989.

A Müller, N H Schladerbeck, E Krickemeyer, H Bogge, K Schmitz, E Bill and A X Trautwein,
PREPARATION OF METAL-SULFUR-CLUSTERS BY SIMPLE REACTION OF METAL-SALTS WITH H2S - R2(NH4)[CU3S12], R2[CU4S12] CH3CN, R2[CU4S12.8], R2[FE2S2(S5)2], R2[FES4BR4], R2[FE4S4BR2CL2], R2[FE4S4CL4], R2[FE2S2CL4] (R=PPH4) AND [FE(DMF)6][FE2S2CL4] , Zeitschrift Fur Anorganische Und Allgemeine Chemie , vol. 570, no. 3, pp. 7--36, 1989.

A Gold, K Jayaraj, P Doppelt, R Weiss, E Bill, X Q Ding, E L Bominaar, A X Trautwein and H Winkler,
OXOFERRYL (2,6-DICHLOROPHENYL) PORPHYRIN CATION RADICAL - EVIDENCE FOR WEAK METAL-RADICAL SPIN COUPLING , New Journal of Chemistry , vol. 13, no. 3, pp. 169--172, 1989.

A A Yousif, H Winkler, H Toftlund, A X Trautwein and R H Herber,
LATTICE-DYNAMICS OF SOME SPIN-CROSSOVER COMPLEXES - MössBAUER AND VTFTIR MEASUREMENTS , Journal of Physics-Condensed Matter , vol. 1, no. 39, pp. 7103--7112, 1989.

D. Mandon, R. Weiss, M. Franke, E. Bill and A.X. Trautwein,
Oxoiron Porphyrin Species with High‐Valent Iron: Formation by Solvent‐Dependent Protonation of a Peroxoiron(III) Porphyrinate Derivative , Angewandte Chemie International Edition in English , vol. 28, no. 12, pp. 1709--1711, 1989.

B F Matzanke, E Bill, G I Müller, G Winkelmann and A X Trautwein,
INVIVO MössBAUER-SPECTROSCOPY OF IRON UPTAKE AND FERROMETABOLISM IN ESCHERICHIA-COLI , Hyperfine Interactions , vol. 47-8, no. 1-4, pp. 311--327, 1989.

M.-H. Desbois, D. Astruc, J. Guillin, F. Varret, A.X. Trautwein and G. Villeneuve,
Binuclear Electron Reservoir Complexes:1Syntheses, Reactivity, and Electronic Structure of the 37- and 38-Electron Fulvalene Complexes (Fe2(µ2, η10-C{10}H8)(arene)2)n+, n = 0, 1 , Journal of the American Chemical Society , vol. 111, no. 15, pp. 5800--5809, 1989.

B.F. Matzanke, E. Bill, G.I. Müller, G. Winkelmann and A.X. Trautwein,
In vivo Mössbauer spectroscopy of iron uptake and ferrometabolism in Escherichia coli , Hyperfine Interactions , vol. 47-48, no. 1-4, pp. 311--327, 1989.