TY  - BOOK
AU  - Poort,Jon M.
AU  - Carlson,Roseann J.
TI  - Historical geology: interpretations and applications 
SN  - 0-13-860966-7
AV  - QE28.3 P66 1998
PY  - 1998///
CY  - Upper Saddle River, N. J.
PB  - Prentice Hall
ER  -