Pieri, David, and Oeding, Robert, 1991, Grain impacts on an aircraft windscreen; the Redoubt 747 encounter, in Casadevall, T.J., ed., First international symposium on Volcanic ash and aviation safety: U.S. Geological Survey Circular 1065, p. 35-36.
This publication is part of a larger work. Please see C 1065 for more information.