TY  - BOOK
AU  - Enger Eldon D
AU  -  Smith Bradley F.
TI  - Environmental science : a study of interrelationship
SN  - 0071214542 (hbd)
U1  - G:55, N2;P4 
PY  - 2004///
CY  - Boston
PB  - McGraw Hill        
KW  -  Biology
KW  -  Environmental science
KW  - Enviornmental biology
N1  - Appendix A1-A2p
ER  -