"id","author_first1","author_last1","title","year","type","university","place","identifier" "594","David Aspinwall","Evans","Neoproterozoic-Paleozoic supercontinental tectonics and true polar wander. II. Temporal and spatial distributions of Proterozoic glaciations","1998","dissertation","California Institute of Technology","Pasadena, CA","AAT 9842299"