00784nam0-22002891i-450-99000033695040332120001010000033695FED01000033695(Aleph)000033695FED0100003369520001010d--------km-y0itay50------baitay-------001yyPortland cement technologyBy J.C. Witt.BrooklynChemical Publishing Co.1947VIII,518 p., ill., 22 cm668Witt,Joshua Chitwood<1884- >337014ITUNINARICAUNIMARCBK99000033695040332104 186-286CIDINCHDINCHPortland cement technology124595UNINAING01