000 00344 a2200133 4500
020 _a81-7169-358-X
082 _a025.84 Cho.N5
100 _qChopra,H.S
245 _aLibrary Conservation
_bModern Library Science Series 10
260 _aNew Delhi
_bCommonwealth Publishers
300 _b162
650 _2Library Science
942 _2ddc
_cBK
999 _c299870
_d299870