TY  - BOOK
AU  - Read, H. H. (Herbert Harold).
AU  - Watson, Janet.
TI  - Introduction to geology, volume I : : principles 
SN  - 0333116933 [pbk.]
U1  - 550 2nd ed.
PY  - 1968///
PB  - MacMillan Press
KW  - Geology
N1  - Includes bibliographical references and index
ER  -