@article{225483, author = {Graf, Julia B.}, url = {http://library.usi.edu/record/225483}, title = {Traveltime and longitudinal dispersion in Illinois streams /}, publisher = {U.S. G.P.O. ;}, recid = {225483}, pages = {vi, 65 p. :}, address = {[Washington, D.C.] :}, year = {1986}, }