Beilsteins Handbuch der Organischen Chemie : Zwanzigster, Einundzwanzigster und Zweiundzwanzigster Band - Berlin : Julius Springer , 1935 - 756 p. Subjects--Topical Terms: Chemistry, OrganicHoá học hữu cơHoá họcChemical Engineering and Technology Dewey Class. No.: 547 / BEI(34) 1935