Trzyna, Thomas N., 1946- Writing for the technical professions / English Thomas N. Trzyna, Margaret W. Batschelet. - Belmont, Calif. : Wadsworth Pub. Co., c1987. - xx, 411 p. : ill. ; 24 cm. Includes index. ISBN: 0534078842 LCCN: 86028946 Subjects--Topical Terms: Technical writing. LC Class. No.: T11 / .T748 1987 Dewey Class. No.: 808 / TRZ