TY  - BOOK
AU  - Enger Eldon D
AU  -  Simith Bradley F
TI  - Environmental science:a study of interrelationships
SN  - 9780070171664 (pbk)
U1  - G:55, N2;P8   TEB 
PY  - 2008///
CY  - Boston
PB  - Mc Graw Hill     
KW  - Environmental science
N1  - Appendices 1-2, 451-453p.; Glossary 454-463p.; Index 467-485p
ER  -