The astronomical almanac for the year 1981 data for astronomy, space sciences; geodesy surveying, navigation and other applications.

The astronomical almanac for the year 1981 data for astronomy, space sciences; geodesy surveying, navigation and other applications.

מידע ביבליוגרפי
פורמט: ספר
שפה:English
יצא לאור: Washington U. S. Government Printing Office 1980