DERUCHER, KENNETH N. MATERIALS FOR CIVIL AND HIGHWAY ENGINEERS - 4TH ED. - Estados Unidos PRENTICE HALL 1998 UPPER SADDLE RIVER - 470 ISBN: 0139050434 LCCN: 41338 Subjects--Topical Terms: CEMENTOESTRUCTURAS-DISEŅOINGENIERIA CIVIL Dewey Class. No.: 624