by Poppe, L.J., Eliason, A.H.
Published in Computers & geosciences (01.05.2008)

by Poppe Lawrence J, Eliason A.H, Fredericks J.J
Published in U.S. Geological Survey circular (USA). no. 963 (1985)

by Poppe, L.J, Eliason, A.H, Hastings, M.E
Published in Computers & geosciences (01.08.2004)

by Poppe, L.J., Eliason, A.H., Hastings, M.E.
Published in Computers & geosciences (01.07.2003)