CHEMICAL ABSTRACTS. VOLUME 44 NUMBER 24. SUBJECT INDEX. 1950. TDK474 -

CHEMICAL ABSTRACTS. VOLUME 44 NUMBER 24. SUBJECT INDEX. FORMULA INDEX. NUMERICAL PATENT INDEX. December 25, 1950. Key to the world's chemical literature. Published semi-monthly by the American Chemical Society. USA. Textos en inglés. Etiqueta en lomera, expurgado de biblioteca.