TY  - BOOK
AU  -  Levin,Harold L.
TI  -  The earth through time / 
T2  -  Saunders golden sunburst series
SN  -  0030089123
U1  -  551.7   19
PY  - 1988///
CY  -  Philadelphia : 
PB  -  Saunders College Pub., 
KW  -  Historical geology
KW  -  Textbooks
N1  -  Includes bibliographical references and index
ER  -