TY  - BOOK
AU  - Enger,Eldon D.
AU  - Smith,Bradley Fraser
TI  - Environmental science: a study of interrelationships / 
SN  - 0072909080 (softcover)
AV  - GE105 .E54 2000
U1  - 628 En57 2000 7th ed.
PY  - 2000///
CY  - Boston, Mass
PB  - McGraw-Hill
KW  - Environmental sciences
N1  - Includes bibliographical references and index
UR  - http://www.loc.gov/catdir/enhancements/fy0668/99021073-d.html
UR  - http://www.loc.gov/catdir/enhancements/fy0668/99021073-t.html
ER  -