Bakker, Elna S. An island called California : an ecological introduction to its natural communities / [by] Elna S. Bakker ; Photographs by Philip Hyde. - University of California Press, 1971. - xii, 357 p. : illus., maps. ; 22 cm. Bibliography: p. [311]-317. ISBN: 0520016823 LCCN: 70107657 Subjects--Topical Terms: Ecology--California.Natural history--California. Subjects--Index Terms: ეკოლოგია ზოგადი ეკოლოგია, აშშ LC Class. No.: QH105.C2 / B3 Dewey Class. No.: 500.9/794 Universal Decimal Class. No.: 574