Dunlop, S. and Gerbaldi, M.
Stragazers: the contribution of amateurs to astronomy: proceedings of colloquium 98 of the IAU June 20-24, 1987 / S. Dunlop and M. Gerbaldi - Berlin : Springer-Verlag, 1988. - xvii, 237p. 43 figures.
9783540502302
Astronomy - Amateurs - Proceedings
522.06
Stragazers: the contribution of amateurs to astronomy: proceedings of colloquium 98 of the IAU June 20-24, 1987 / S. Dunlop and M. Gerbaldi - Berlin : Springer-Verlag, 1988. - xvii, 237p. 43 figures.
9783540502302
Astronomy - Amateurs - Proceedings
522.06