TY  - BOOK
AU  - Richard Levins
TI  - Evolution of changing environments: Some theoretical explorations
SN  - 0-691-07959-5
U1  - 575 
PY  - 1968///
CY  - New Jersey
PB  - Princeton University Press
N1  - Richard Levins: Evolution of changing environments: Some theoretical explorations.  New Jersey.  Princeton University Press, 1968. 0-691-07959-5--(575LEV)
ER  -