Proceedings of the second International Symposium on Recent Crustal Movements, Aulanko, Finland, August 3-7, 1965 - Helsinki : Suomalainen Tiedeakatemia, 1965. - 498 p. : ill. ; 25 cm. - Annales Academiae Scientiarum Fennicae. Series A. III, Geologica-geographica ; 100 90 .


International Association of Geodesy.