TY - BOOK ED - Portland Cement Association TI - Architectural design aid U1 - 692 CY - Skokie PB - PCA KW - Architectural design KW - Concrete floors KW - Construction business practices KW - Multistory office buildings KW - School buildings N1 - No.1-Electrical concrete floor systems for multistory office buildings; No.2-Long span double tee roof system for school buildings; No.3-Multistory office building; No.4-Medium rise office building with oneway joist slab floors; No.5-Open plan school bui ER -