Journal of American Concrete Institute/ American Concrete Institute. - Philadelphia : American Concrete Institute, Jan-1961 - Various Pages: ill. ; 22 cm. - Volume.32,No.7 . Each number includes "Synopsis of recent articles." In English hbk. ISBN: 1469-7645 Subjects--Topical Terms: Concrete Concrete --Periodicals Dewey Class. No.: 620.136 JOU 1961