00343nam a2200121 a 4500008004100000020001500041050001400056100002200070245005100092260004900143300002000192350000900212120416s1995    ||||||||||||||||| ||    u  a0674442849  aHA 29 Man  aManski, Charles F10aIdentification problems in the social sciences  aMassachusettsbHavard University Pressc1995  ax, 172p. : ill.  a0.00