Reference clay minerals
Subtitle: preliminary project
By: [reports of Research Project 49 of the] American Petroleum Institute; by P.F. Kerr... [et. al.].
Contributors: Kerr, Paul F.
Series: preliminary reports / American Petroleum Institute. Research Project 49 -- 1-8; preliminary reports -- 1-8.
Publisher: Columbia University
Published: 1949
Place of publication: New York
Language: eng