International Astronomical Union, Colloquium, Asiago, Italy(, 3891, )87th
Astronomy with Schmidt-type telescopes : proceedings of the 78th Colloquium of the International Astronomical Union, Asiago, Italy, August 30-September 2, 1983
Dordrecht, Boston, Hingham, MA
D. Reidel, Distributed in the U.S.A. and Canada by Kluwer Academic Publishers