TY  - BOOK
AU  - Barron,Eric J..
TI  - Climatic variation in earth history / 
T2  - (Global change instruction program), 
SN  - 0935702822
U1  - 550 
PY  - 1996///
CY  - California : 
PB  - University Science Books , 
KW  - EARTH SCIENCE
N1  - NULL
ER  -