00292nam a2200097Ia 450000500170000000800410001708200190005810000160007724500920009326000090018520250107154734.0241216s9999||||xx |||||||||||||| ||und||  aREF 526.63 OLA  aV.R Olander 0aAstronomical azimuth determinations on trigonometrical stations in the years 1955-1959   c1961