00339nam a2200133   45000010006000000050017000069000010000231000020000332450066000537000028001197730034001479420007001819990017001885407320260918151527.0  a20103  aFLORES, Imer B.  a50th Anniversary of Hart’s The Concept of Law. Introduction  aI.Fabra, Jorge;aCoaut.  gnúm.5 (2011) xvii - xix pp.  c16  c54073d54073