00817nam0-22002891i-450-99000035166040332120001010000035166FED01000035166(Aleph)000035166FED0100003516620001010d--------km-y0itay50------baitay-------001yySYMPOSIUM on structure of portland cement vaste and concrete.WashingtonHighway Research Board1966492 p., ill., 26 cmSpecial report30668ITUNINARICAUNIMARCBK99000035166040332104 186-151CI 5520DINCHDINCHSYMPOSIUM on structure of portland cement vaste and concrete125239UNINAING01