Cohen, Mark Nathan. Malpass, Roy S. Klein, Harold G. text New Haven, Conn Yale University Press 1980 monographic xxiii, 406 p. : ill. ; "Papers ... originally written for an interdisciplinary symposium ... held on the Plattsburgh campus of the State University of New York in the spring of 1978." Animal populations Population Crowding stress in animals QH352 0300023995 :