Wolves : behavior, ecology, and conservation / edited by L. David Mech and Luigi Boitani. - Chicago : University of Chicago Press, 2003. - xvii, 448 p. : ill. (some col.) ; 29 cm. Includes bibliographical references (p. 349-405). ISBN: 0226516962 LCCN: 2003005231 LC Class. No.: QL737.C22 / W6477 2003 Dewey Class. No.: 599.773