TY - BOOK AU - Cohen,Mark N. AU - Malpass,Roy S. AU - Klein,Harold G. TI - Biosocial mechanisms of population regulation U1 - 591.5 PY - 1980/// CY - New Haven PB - Yale University Press KW - Animal Populations KW - Population KW - Crowding stress in animals N1 - Includes bibliographical references and index ER -