000 00232nam a2200121Ia 4500
082 _a621
_bTIW
100 _aTIWARI G.N.
245 0 _aSOLAR ENERGY
250 _a1
260 _bNARASA PUB.ING HOUSE
300 _a525
942 _cREF
999 _c79579
_d79579