Ravat, D., Finn, C., Hill, P., Kucks, R., Phillips, J. D., Bouligand, C., Sabaka, T., Elshayat, A., Aref, A. & Elawadi, E., 2009, U.S. Geological Survey. 2 p. (U. S. Geological Survey Open File Report 2009-1258)
Research output: Book/Report › Commissioned report › peer-review
Bankey, V., Cuevas, A., Daniels, D., Finn, C., Phillips, J. D. & Ravat, D., 2002, U.S. Geological Survey. (U.S. Geological Survey Open-File Report 02-414)
Research output: Book/Report › Commissioned report › peer-review