000 00321nam a2200133Ia 4500
005 20260205051149.0
008 260111s9999||||xx |||||||||||||| ||und||
082 _a338.954 Ag38F
100 _aAggarwal,J C
245 0 _aFifty Years Data Handbook
260 _aDelhi
_bShipra pub.
_c1997
300 _a251p.
942 _cBK
999 _c91566
_d91566