000 00314nam a2200109Ia 4500
008 220201s1951 xx 000 0 eng d
100 _aNATIONAL BUILDING STUDIES
245 0 _aECONOMICAL DESIGN OF RIGIO STEEL FRAMES FOR MULTI STORY BUILDING
260 _aU K
_bHER MEJESTY PUB
_c1951
300 _a120
942 _2ddc
999 _c88840
_d88840