00334pam a2200121a 44500008004100000041001200041082001400053100001700067245002300084260004200107300002100149650004200170231027s1970    xxu||||| |||| 00| 0 eng d  aEnglish  a340.1 HAR  aHart, H.L.A.  aThe Concept of Law  aLondonbOxford University Pressc1970  ax+262b18cms, pb  aLegal theory and Jurisprudence(340.1)