TY  - GEN
AU  - BUSH, Mark B.
TI  - Ecology of a changing planet
SN  - 0-13-011202-X
AV  - QH 541 .B88 2000 
PY  - 2000///
CY  - Upper Saddle River, NJ
PB  - Prentice Hall
KW  - Ecology
KW  - Nature- Effect of human beings on
KW  - Environmental sciences
ER  -