Levins, Richard.
Evolution in changing environments : some theoretical explorations / [by] Richard Levins. - Princeton, N.J. : Princeton University Press, 1968. - ix, 120 p. : ill. ; 22 cm. - Monographs in population biology .
Includes index.
68-20871
Population biology.
Evolution in changing environments : some theoretical explorations / [by] Richard Levins. - Princeton, N.J. : Princeton University Press, 1968. - ix, 120 p. : ill. ; 22 cm. - Monographs in population biology .
Includes index.
68-20871
Population biology.