TY - BOOK ID - 14044050 TI - Cruelty and kindness: a new look at aggression and altruism PY - 1976 SN - 0131949284 PB - Englewood Cliffs Prentice Hall DB - UniCat KW - Aggressiveness. KW - Cruelty. KW - Altruism. KW - Kindness. UR - https://www.unicat.be/uniCat?func=search&query=sysid:14044050 AB - ER -