000 00310nam a2200133Ia 4500
008 191201s2005 xx 000 0 und d
100 _aSRIVASTAVA,Puneet
245 0 _aManaging Concentration
250 _a2nd IMP
260 _aN. Delhi
_bRupa and Co
_c2005
300 _a47
650 _aBBA
942 _2ddc
_cBK
999 _c4475
_d4475