1. Identification of particular tephras by means of refractive indices of orthopyroxenes and hornblendes – a fundamental study of tephrochronology;Arai;The Quaternary Research (Japan),1972
2. Catalog for Late Quaternary marker tephras in Japan II: tephras occurring in northeast Honshu and Hokkaido;Arai;Geographical Reports of Tokyo Metropolitan University,1986
3. Begét, J.E., Machida, H., Lowe, D.J. (Eds.), 1996. Climatic impact of explosive eruptions – recommendations for research. PAGES Workshop Report Series 96-3, 28pp.
4. Volcanic glass found in Late Quaternary Chinese loess: a pointer for future studies?;Eden;Quaternary International,1996
5. Editorial: John A. Westgate – global tephrochronologist, stratigrapher, mentor;Froese;Quaternary International,2008