Library of Congress Cataloguing-in-Publication Data Siddiqi, Asif A., 1966 Challenge to Apollo: the Soviet Union and the space race, 1945-1974 / by Asif A. Siddiqi p. cm. (The NASA history series) NASA SP; 2000-4408 Includes bibliographical references and index. 1. Astronautics-Soviet Union-History. 2. Space race-History. I. Title. II. Series. III. NASA SP: 4408. TL789.8565 S47 2000 629.4'0947-dc21 00-038684 00031047 |