000 00284nam a2200121Ia 4500
008 130409s9999 xx 000 0 und d
100 _aP.S GIL
245 _aT.B OF ENGG. DRAWING
260 _bS.K KATARIA DELHI
_c2001
300 _a710
650 _aPhysics
_bB.SC.
942 _2ddc
_cBK
999 _c12704
_d12704