TY - BOOK ID - 133604994 TI - On the epistemology of the inexact sciences AU - Helmer-Hirschberg, Olaf AU - Rescher, Nicholas PY - 1958 PB - Santa Monica, Calif. : Rand Corporation, DB - UniCat KW - Social sciences KW - Research KW - Sciences sociales KW - Methodology KW - Psychological aspects KW - MeĢthodologie UR - https://www.unicat.be/uniCat?func=search&query=sysid:133604994 AB - ER -