Underwood, G., 1880- Standard construction methods / by G. Underwood. - 2a ed. - New York : McGraw-Hill Book Company, 1931. - xii, 501 p. : il. ; 23 cm Incluye índice. Subjects--Topical Terms: Construccion--MétodosOperaciones de contratistas LC Class. No.: TH145 / U53 1931