00683nam0-22002531i-450-99000220879040332120160726111436.0000220879FED01000220879(Aleph)000220879FED0100022087920030910g19451954km-y0itay50------baengAmerican chemical industryLondonD. Van Nostrand1945-19546 v.25 cmHaynes,Williams90330ITUNINARICAUNIMARCBK99000220879040332180 XXVI 20da 4612 a 4617FFABCFFABCAmerican chemical industry395658UNINA