000 00308nam a2200121Ia 4500
008 250430s9999||||xx |||||||||||||| ||und||
082 _aSAE
_b621.3121
100 _aSAEED S HASAN
_960389
245 0 _aNON-CONVENTIONAL ENERGY RESOURCES
260 _bS. K. KATARIA & SONS
_aDELHI
300 _a344
942 _cBK
999 _c71142
_d71142