Dirac, P. A. M. Directions in physics lectures delivered during a visit to Australia and New Zealand August/September 1975 P. A. M. Dirac ; edited by H. Hora and J. R. Shepanski ; with a foreword by Sir Mark Oliphant. - New York Wiley c1978. - ix, 95 p. ill. 24 cm. "A Wiley-Interscience publication." Includes bibliographical references and index. ISBN: 0471029971 LCCN: 77024892 //r88 Subjects--Topical Terms: Physics--Addresses, essays, lectures. LC Class. No.: QC71 / .D55 Dewey Class. No.: 530