000 00378nam a2200133Ia 4500
008 221125s1969 xx 000 0 eng d
082 _a025.43
_bPER 426-T
100 _aPerreault, Jean M.
245 0 _aTowards a theory for UDC
260 _aLondon
_bClive Bingley Limited
_c1969
300 _a234p
650 _aUniversal decimal Classification-Library Science
942 _2ddc
_cBK
999 _c5301
_d5301