000 00329nam a2200133Ia 4500
005 20260205054541.0
008 260111s9999||||xx |||||||||||||| ||und||
082 _a333.79 Si64N
100 _aSingal,R.K.
245 0 _aNon -conventinal energy resources
260 _aDelhi
_bS.K.Kataria
_c2005
300 _a394p.
942 _cBK
999 _c140124
_d140124