International Astronomical Union. Symposium Beijing, China) 1986 :
Observational cosmology : Proceedings of the 124th Symposium of the International Astronomical Union, held in Beijing, China, August 25-30, 1986 /
Ed. by Adelaide Hewitt, Geoffrey Burbidge, and Li Zhi Fang.
- Dordrecht ; Boston ; Norwell, MA, U.S.A. : D. Reidel : Distributed in the U.S.A. and Canada by Kluwer Academic Publishers, 1987.
- xxiii, 854 p. ; 24 cm.