HClarke L Adittional Applied Mathematics/ L. Harwood Clarke and F.G.J. Norton. - 2nd ed. - London : Heinemann Educational, 1989. - xii,266p. : ill. ; 20cm. Includes index. With answers. Subjects--Topical Terms: Mathematics--1961 LC Class. No.: QA39.2 Dewey Class. No.: 510