TY - BOOK ID - 134389912 TI - Adaptation-level theory; an experimental and systematic approach to behavior PY - 1964 PB - New York : Harper, DB - UniCat KW - Behavior. KW - Adaptation, Psychological. UR - https://www.unicat.be/uniCat?func=search&query=sysid:134389912 AB - ER -