000 00320nam a2200145Ia 4500
008 230118s9999||||xx |||||||||||||| ||und||
082 _a531
082 _bNAR/M
100 _as.r shankara
_bnarayana
100 _bk.lchopra
245 0 _amechanics
260 _anewdelhi
260 _bsultan chand &sons
260 _c1982
999 _c1786
_d1786