00459nam a2200145Ia 450000100060000000800410000602000070004704000130005408200190006711000500008624500810013626000780021730000110029554600070030654229140505s9999    xx            000 0 und d  aNA  cPK-LaUMT  a 333.79PbPAK-  aHydrocarbon Development Institute of Pakistan  aPakistan energy yearbook 2012cHydrocarbon Development Institute of Pakistan  aIslamabad,Paksitan:bHydrocarbon Development Institute of Pakistan,c2013  a125 p.  aEN