一般注記"Proceedings of the First International Symposium on Volcanic Ash and Aviation Safety held in Seattle, Washington, in July 1991."
"U.S. Department of the Interior, U.S. Geological Survey"--T.p. verso
Shipping list no.: 94-0382-P
Physical description for original version: ix, 450 p. : 28 cm
書誌注記Includes bibliographical references
原資料等に関する注記原資料の出版事項: Washington ; Denver, CO : U.S. G.P.O. : For sale by U.S. Geological Survey, Map Distribution, 1994
SUPTDOC番号: I 19.3: 2047
GPO管理番号: 0620