TY  - BOOK
AU  - Enger,Eldon D.
TI  - Environmental science: a study of interrelationships 
SN  - 0072919876
U1  - 333.7 21
PY  - 2004///
CY  - Boston, Mass.
PB  - McGraw-Hill Higher Education, 
KW  - Environmental sciences
N1  - Includes bibliographical references and index
ER  -