00421pab a2200145 454500008004000000100002600040245008300066260000900149300001400158362000800172650002100180650001600201650002000217773003800237180718b2009 xxu||||| |||| 00| 0 eng d aMartinez, Maria Loura aIan Hacking's proposal for the distinction between natural and social sciences c2009 ap.212-34. aJun aNatural sciences aHacking,Ian aSocial sciences aPhilosophy of the Social Sciences