000 00324nam a2200121 4500
082 _a025.43 UDC;19
100 _aB.S.I
245 _aUniversal Decimal Classification English Abridged edition 1961
_cby B.S.I
250 _a3
260 _aLondon
_bBritish standards Institution
_c1963
500 _aPhoto copy
942 _cREF
999 _c382735
_d382735