Duke-Elder, Stewart, 1898-1978. Ocular motility and strabismus / by Stewart Duke-Elder and Kenneth Wybar. - London : Kimpton, 1973, 1976 printing. - xviii, 873 p. : ill. ; 25 cm. - System of ophthalmology ; v. 6 0082 1195 . Includes bibliographies and index. ISBN: 0853137765 LCCN: 77350071 Subjects--Topical Terms: Strabismus.Eye--Movements.Eye--Muscles. LC Class. No.: RE46 / DUK 1973 Dewey Class. No.: 617.7/008 s 617.7/62