Tempo and mode in evolution /
Simpson, George Gaylord,
Tempo and mode in evolution / - New York : Columbia University Press, 1944. - xviii, 237 p. : ill. ;
Evolution.
575 / SIM/TE
Tempo and mode in evolution / - New York : Columbia University Press, 1944. - xviii, 237 p. : ill. ;
Evolution.
575 / SIM/TE