TY - BOOK AU - Brown,Harold I TI - Perception, theory and commitment : the new philosophy of science SN - 0226076180 AV - Q175 .B796 U1 - 501 22 PY - 1977/// CY - Chicago PB - Chicago University Press KW - Science KW - Philosophy N1 - Includes index; Bibliography: p. [191]-200 ER -