Lack, David. Darwin`s finches : an essay of the general biological theory of theory of evolution - New York : Harper, 1961 (c.1947) - 204 p. : ilus. - Harper torchbooks ; 544 . - Harper torchbooks ; 544 . LCCN: 27008 Subjects--Topical Terms: Darwin, CharlesEvolución. Dewey Class. No.: 575.0162 / L3