00529nam a22001937a 4500 BD-DhUL 20160313121557.0 160313s1971 xxu||||| |||| 001 0 eng d 020230101x BD-DhUL BD-DhUL Diesing, P. Patterns of discovery in the social sciences / by Paul Diesing New York : Aldine 1971 x, 350 p. : 24 cm. includes index Bibliography : 325-347 Social Sciences. ddc BK 48407 48407