000 00306nam a2200121Ia 4500
008 220201s2016 xx 000 0 eng d
082 _a621.9
_bSIN-N
100 _aSINGAL R K
245 0 _aNON CONVENTIONAL ENERGY RESOURCES
260 _aNEW DELHI
_bS K KATARIA & SONS
_c2016
300 _a394
942 _2ddc
999 _c32674
_d32674