TY  - BOOK
AU  - Keller,Edward A.
TI  - Introduction to environmental geology
SN  - 0131447645 :
AV  - QE38 .K45 2005
PY  - 2005///
CY  - Upper Saddle River, NJ
PB  - Pearson Prentice Hall.
KW  - Environmental geology
ER  -