000 00280nam a2200121Ia 4500
005 20260205054035.0
008 260111s9999||||xx |||||||||||||| ||und||
100 _aKhurmi
245 0 _aTharmal engineering
260 _aN. Delhi
_bS. Chand
_c2001
300 _a895p.
942 _cBK
999 _c131682
_d131682