Photographic positions of comets and minor planets and Pluto observed during 1975-1980 /

Autor Candy, M. P., Johnston, J., Jekabsons, P.
Vydáno 1985

Photographic positions of comets and minor planets, etc. observed during 1981-1985 /

Autor Candy, M. P., Johnston, J., Jekabsons, P.
Vydáno 1986