Seventy-five years of Hirayama asteroid families : the role of collisions in the solar system history, 29 November-3 December, 1993, Tokyo - Kozai, Yoshihide, 1928-; Binzel, Richard P.; Hirayama, Tomohiro, 1938-. (San Francisco, Calif. : Astronomical Society of the Pacific, 1994)
Includes bibliographical references and index.
Keywords: Hirayama, Kiyotsugu, -- 1874-1943.; Asteroids -- Congresses