000 00296nam a2200121Ia 4500
008 220201s1993 xx 000 0 eng d
082 _a623.81
_bCHO
100 _aChopra
245 0 _aN.D.A and naval Academy .
260 _bGalgotia Publications
_aNew Delhi
_c1993
300 _a13171
942 _2ddc
999 _c7193
_d7193