Visual observations of artificial earth satellites
Subtitle: supplement dedicated to the twentieth anniversary of the first artificial earth satellite launch
By: University Babes-Bolyai Cluj-Napoca, Romania, Astronomical Observatory, Satellite Tracking Station No. 1132
Publisher: The Observatory
Published: 1977
Place of publication: Cluj-Napoca
Language: eng; fre
Number of pages: 141
Subjects: Artificial satellites; Tracking; Optical observations
Notes: Bibliography covers 1957-1977.

Bibliography: p. 135-140?