000 00284nam a2200109Ia 4500
008 220201s1977 xx 000 0 eng d
100 _aNATIONAL BUILDING AGENCY
245 0 _aEXTERNAL WORKS DETAILS SHEETS
260 _aLONDON
_bARCHITECTURE PRESS
_c1977
300 _a142
942 _2ddc
999 _c89774
_d89774