TY - BOOK ID - 133567715 TI - The psychology of thinking PY - 1959 VL - A453 PB - Harmondsworth : Penguin Books, DB - UniCat KW - Thought and thinking KW - PenseĢe UR - https://www.unicat.be/uniCat?func=search&query=sysid:133567715 AB - ER -