00331nam a2200121 a 4500008004100000050001400041100002900055245004400084250001400128260003800142300002000180350000900200120416s1965    ||||||||||||||||| ||    u  aHM 24 Zet  aZetterberg, Hans Lennart10aOn theory and verification in sociology  a3rd. enl.  aNew YorkbBedminister Pressc1965  aix, 177p. : ill  a0.00