TY  - BOOK
AU  - Johnson, Willis H.
AU  - Steere, William Campbell,
TI  - The environmental challenge,
SN  - 0030841852
U1  - 301 HOL 1974 A016 Or. 
PY  - 1974///]
CY  - New York
PB  - Holt, Rinehart and Winston
KW  - Ecology
KW  - Environmental protection
ER  -