Curtius, H. (1990). Chemistry and biology of pteridines 1989 [nineteen hundred and eighty-nine]: Pteridines and folic acid derivatives ; proceedings of the 9. International Symposium on Pteridines and Folic Acid Derivatives, Chemical, Biological and Clinical Aspects, Zurich, Switzerland, September 3 - 8, 1989. de Gruyter.
Chicago-Zitierstil (17. Ausg.)Curtius, Hans-Christoph. Chemistry and Biology of Pteridines 1989 [nineteen Hundred and Eighty-nine]: Pteridines and Folic Acid Derivatives ; Proceedings of the 9. International Symposium on Pteridines and Folic Acid Derivatives, Chemical, Biological and Clinical Aspects, Zurich, Switzerland, September 3 - 8, 1989. Berlin <<[u.a.]>>: de Gruyter, 1990.
MLA-Zitierstil (9. Ausg.)Curtius, Hans-Christoph. Chemistry and Biology of Pteridines 1989 [nineteen Hundred and Eighty-nine]: Pteridines and Folic Acid Derivatives ; Proceedings of the 9. International Symposium on Pteridines and Folic Acid Derivatives, Chemical, Biological and Clinical Aspects, Zurich, Switzerland, September 3 - 8, 1989. de Gruyter, 1990.