Proceedings of the conference of sciences  Moscow meeting from Auggust 2-14 1971 

 -  International Union of Geodesy and Geophysics  1971 
<br/><br/><label>Subjects--Topical Terms: </label><br/>I.U.G.G.Iugg
<br/><br/><label>Universal Decimal Class. No.: </label>55(061/069)  / IUGG