Chemical Abstracts : vol-57,Author index , Numerical patent index , July-Dec.196
American Chemical Society
Chemical Abstracts : vol-57,Author index , Numerical patent index , July-Dec.196 - Columbus : Chemical Abstracts Service 1963 - (2), 1132+
540.5
Chemical Abstracts : vol-57,Author index , Numerical patent index , July-Dec.196 - Columbus : Chemical Abstracts Service 1963 - (2), 1132+
540.5