Monitoring volcanoes :
techniques and strategies used by the staff of the Cascades Volcano Observatory, 1980-90 /
John W. Ewert and Donald A. Swanson, editors.
APA Citation
Ewert, J. W., Swanson, D. A. (Donald Alan)., Geological Survey (U.S.). (1992). Monitoring volcanoes: techniques and strategies used by the staff of the Cascades Volcano Observatory, 1980-90. Washington: U.S. G.P.O. .
MLA Citation
Ewert, John W, Donald A. (Donald Alan) Swanson, and Geological Survey (U.S.). Monitoring Volcanoes: Techniques And Strategies Used by the Staff of the Cascades Volcano Observatory, 1980-90. Washington: U.S. G.P.O. , 1992.
Warning: These citations may not always be complete (especially for serials).