TY  - BOOK
AU  - Enger,Eldon D.
AU  - Bradley,Smith F.
TI  - Environmental Science: a study of relationship 
SN  - 978-007-128275-8
PY  - 2009///
CY  - New York
PB  - Mc Graw-Hill Inc
KW  - Environmental Science
KW  - Textbooks
N1  - Includes index
ER  -