Hemphill, William R. 1930-
Determination of quantitative geologic data with stereometer type instruments / by William R. Hemphill. -- Washington : United States Government Printing Office, 1958 - P. 36-56. -- (Geological Survey Bulletin ; 1043-C).
Fotogeología
55:77
Determination of quantitative geologic data with stereometer type instruments / by William R. Hemphill. -- Washington : United States Government Printing Office, 1958 - P. 36-56. -- (Geological Survey Bulletin ; 1043-C).
Fotogeología
55:77