000 00429cam a22001217a 4500
008 180718b1962 xxu||||| |||| 00| 0 eng d
082 _aP994 Un3d
100 _aGrolier, Eric De
245 _aA study of general categories applicable to classification and coding in documentation
_cby Eric De Grolier
260 _aParis
_bEducational, Scientific and Cultural Organization
_c1962
300 _a248p
700 _aUnited Nation. UNESCO
999 _c494988
_d494988