International Astronomical Union, Symposium)141st:9891:Leningrad,R.S.F.S.R.(
Inertial coordinate system on the sky : proceedings of the 141st Symposium of the International Astronomical Union, held in Leningrad, U.S.S.R., October 17-21, 1989
Dordrecht ]Netherlands[, Boston
Kluwer Academic Publishers
1990
xxxiv, 528 p. : ill. ; 25 cm
At head of title: International Astronomical Union=Union astronomique internationale