007390000a22003010004500500002700000650001200027650001200039650002100051650001900072650001300091650001600104650001300120650000900133650002100142536000800163082002600171518001300197530000600210100002800216100002800244100002800272245002400300020001800324260005700342260000900399300002100408041000800429  aInclude bibliographies  aMammals  aAnimals  aAnimal behaviour  aAnimal ecology  aGorillas  aChimpanzees  aPongidae  aApes  aAnimal societies  aBAI  a599.8840451bM178gcT  a20030518  aM  aMcGrew, William C., ed.  aMarchant, Linda F., ed.  aNishida, Toshisada, ed.  aGreat ape societies  a0-521-55536-1  aCambridgebCambridge University Press, Great Britain  c1996  axx,328p.billus.  aEng