00308pab a2200121 454500008004000000100002500040245005900065260000900124300001100133362001100144650001100155773002000166180718b1983   xxu||||| |||| 00| 0 eng d  aWeisskopf, Walter A.  aMoral responsibility for the preservation of humankind  c1983  a98-125  aSpring  aEthics  aSocial Research