Ramsden, William Arthur. Supervening impossibility of performance in the South African law of contract / William Arthur Ramsden. - Cape Town : Juta, 1985. - xxiv, 116 p. ; 25 cm. Includes bibliographical references and indexes. ISBN: 0702116297 (pbk.) LCCN: 86113875 Subjects--Topical Terms: Impossibility of performance--South Africa. LC Class. No.: KTL824 / .R35 1985 Dewey Class. No.: 346.68/022 346.80622