000 00309nam a2200121Ia 4500
008 210212s9999||||xx |||||||||||||| ||und||
082 _a330.1H Ahu.N
100 _aAhuja, H.L.
245 0 _aUchattar arthik siddhant
260 _c1990
_bS. Chand and compay
_aNew Delhi
300 _a908p.
942 _cSU
999 _c101110
_d101110