Troxell, George Earl, Composition and properties of concrete / George Earl Troxell, Harmer E. Davis and Joe W. Kelly. - 2d ed. - New York, McGraw-Hill c1968. - 529 p. illus. 23 cm. Bibliography: p. [475]-510. English LCCN: 68013104 Subjects--Topical Terms: Concrete. LC Class. No.: TA439 / .T74 1968 Dewey Class. No.: 693.5/TRC