TY - BOOK AU - Schaffner, Kenneth F. AU - Cohen, Robert S. TI - PSA 1972 U1 - 501 PY - 1974/// CY - Dordrecht PB - D. Reidel KW - Science -- Philosophy -- Congresses N1 - Papers Presented At The Biennial Meeting Of The Philosophy Of Science Association, Lansing, 1972 ER -