000 00306nam a2200109 4500
020 _a058008373X
082 _a025.43 UDC/BSI/21
100 _aBSI
245 _aUDC Auxiliary signs and subdivision (except those of place) BS 1000: Auxiliaries : 1974
_cby BSI
260 _aLondon
_bB S I
_c1974
942 _cREF
999 _c379964
_d379964