000 00261nam a2200133Ia 4500
100 _aVas, Gratian
365 _b25
942 _cBK
654 _a
245 _aSolar energy
260 _aNew Delhi
_bLearners Press
_c1993
082 _aJ333.79
300 _a40
999 _c345498
_d345498
041 _aeng