000 00283nam a2200109Ia 4500
008 151011s9999 xx 000 0 und d
041 _aENG
245 _aUniversal decimal classification
260 _c1958
_aLondon
_bBritish Standards Institution
300 _a512p.
942 _cBK
_2udc
999 _c21691
_d21691