Pohl, Frederik. Gateway Frederik Pohl. - New York St. Martin's Press c1977. - 313 p. 22 cm. Sequel: Beyond the blue event horizon. ISBN: 0312317808 8.95 LCCN: 76010561 Subjects--Topical Terms: Science fiction LC Class. No.: PZ4.P748 PS3566.O36 / Gat Dewey Class. No.: 813/.5/4