TY  - BOOK
T1  - Environmental biology, the human factor /
DA  - c1978.
CY  - Dubuque, Iowa :
AU  - Witters, Weldon L.
ET  - 2d ed.
CN  - TD175 .W57 l978
CN  - TD175
PB  - Kendall/Hunt Pub. Co.,
PP  - Dubuque, Iowa :
PY  - c1978.
N1  - Includes index.
ID  - 116501
KW  - Pollution.
KW  - Human ecology.
KW  - Human beings
SN  - 0840380003
TI  - Environmental biology, the human factor /
ER  -