TY  - BOOK
AU  - Laporte,Léo F.
TI  - Ancient environments
T2  - Foundations of earth science series
AV  - QH542 .L3
U1  - 333.7 LAP 21
PY  - 1968///]
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall
KW  - Paleoecology
KW  - Economics
ER  -