000 00271nam a2200109Ia 4500
008 220201s1963 xx 000 0 eng d
082 _a027.5
_bNAT
245 0 _aNational libraries : their problems and prospectus
260 _bUNESCO
_c1963
300 _a125
942 _2ddc
999 _c15041
_d15041