Title: NATO Advanced Study Institute 'Tephra studies as a tool in Quaternary research' held in Laugarvatn and Reykjavik, Iceland, June 18-29, 1980.  Edited by Stephen Self and R.S.J. Sparks
Subjects: Volcanic ash, tuff, etc. - Congresses, Quaternary, Congresses, Volcanic ash, tuff, Stratigraphic Geology, Volcanic ash, tuff, etc., Geology, stratigraphic, quaternary