000 00431nam a2200169Ia 4500
008 200208s9999 xx 000 0 und d
082 _aH 020.03 SIN
100 _a"Singh,Ajay Kumar"
245 0 _aPustakalaya Vishvakosh:pustakalaya:ek parichaya
245 0 _npt-5
260 _aNew Delhi
260 _bArjun Publinghing House
260 _c2010
300 _a254p.
650 _aLibrary science-Encyclopedia
942 _cB
999 _c225806
_d225806