Becker, A. L. L. The ultimate load theory applied to the design of reinforced & prestressed concrete frames / A. L. L. Becker - London : Concrete Publications, c 1956. - 91 p. : ill. ; 24 cm. - Concrete series. . 10 10 Subjects--Topical Terms: Concrete construction. Dewey Class. No.: 624.172 / B171u