000			004340000a22001570004500
245			_aProblems of concrete production in Arid climates _bOverseas building notes
260			_aWatford _aBuildingResearch Station _c1971
300			_a22p.
027			_aContents of note No. 139
080			_a624.012 _bP7
650			_aCONCRETE PRODUCTION
650			_aCIVIL ENGINEERING
650			_aCONSTRUCTION
041			_aEN
942			_cRR
999			_c23608 _d23608