000 00280nam a2200121Ia 4500
008 220201s1977 xx 000 0 eng d
082 _bDUT
100 _aDutta, D N
245 0 _aLibraries and their uses
260 _aCalcutta
_bWorld press
_c1977
300 _a163
942 _2ddc
999 _c21909
_d21909