Chemical abstracts : vol.43.july 10-nov.25,1949
American Chemical Society
Chemical abstracts : vol.43.july 10-nov.25,1949 - Columbus : the ohio state uni versity 1949 - 4901-9538P
540.5
Chemical abstracts : vol.43.july 10-nov.25,1949 - Columbus : the ohio state uni versity 1949 - 4901-9538P
540.5