TY  - BOOK
AU  - Bramwell Anna
TI  - Ecology in the 20th century: a history
SN  - 0-3000-434-30
U1  - 304.20904 
PY  - 1989///
CY  - New Haven
PB  - Yale
KW  - 20th century
KW  - Ecology-history
ER  -