TY - GEN PB - Verlag Chemie L1 - http://delibra.bg.polsl.pl/Content/2021/Die%20chemische%20industrie%201939.%20nr15.pdf L2 - http://delibra.bg.polsl.pl/Content/2021 KW - Chemie T1 - Die Chemische Industrie, 1939, Jg 62, Nr 15 UR - http://delibra.bg.polsl.pl/dlibra/publication/edition/2021 ER -