Gut
Collection of Czechoslovak Chemical Communications, 1958 , vol. 23, p. 1588,1589 Anm.,1590

Dodoff, Nicolay I.; Kovala-Demertzi, Dimitra; Kubiak, Maria; Kuduk-Jaworska, Janina; Kochel, Andrzej; Gorneva, Galina A.
Zeitschrift fur Naturforschung - Section B Journal of Chemical Sciences, 2006 , vol. 61, # 9 p. 1110 - 1122