00357pab a2200121 454500008004000000100002000040245008600060260000900146300001400155362000800169650002000177773003800197180718b2004   xxu||||| |||| 00| 0 eng d  aPickel, Andreas  aSystems and mechanisms: a symposium on Mario Bunge's Philosophy of Social Science  c2004  ap.169-81.  aJun  aSocial sciences  aPhilosophy of the Social Sciences