00409nam a22001577a 4500003000400000005001700004008004100021020001500062040000800077082002100085100001800106245004300124260003100167300001100198650004200209OSt20141208170702.0030206s2002    ck            000 0 spa d  a8420658391  cOSt04221a179.17bC6451 aCohen, Martin00a101 dilemas éticos / cMartin  Cohen  aMadrid: bAlianza, c2005.  a580 p.042LEMBxFILOSOFÍA xDILEMAS ÉTICOS