TY - GEN PB - Verlag Chemie L1 - http://delibra.bg.polsl.pl/Content/2189/Die%20chemische%20industrie%201942.%20nr39.40.pdf L2 - http://delibra.bg.polsl.pl/Content/2189 KW - Chemie T1 - Die Chemische Industrie, 1942, Jg 65, Nr 39/40 UR - http://delibra.bg.polsl.pl/dlibra/publication/edition/2189 ER -