TY  - BOOK
AU  - Mather,Kirtley Fletcher
TI  - Source book in geology, 1900-1950 / 
U1  - 550 MAT 
PY  - 1967///
CY  - Cambridge : 
PB  - Havard University Press , 
KW  - Geology
KW  - Collected works
N1  -  Includes bibliographical references and index
ER  -