TY  - BOOK
AU  - Newton,Cathryn R.
AU  - Laporte, Leo F.
TI  - Ancient environments
T2  - Prentice hall foundations of earth science series
SN  - 0130364762
AV  - QE720 N48 1989
PY  - 1989///
CY  - Englewood cliffs, new jersey
PB  - Prentice Hall
KW  - Paleoecología
ER  -