Ross, C.W., Sojka, R.E., Foerster, J.A. 2003. Scanning electron micrographs of polyacrylamide-treated soil in irrigation furrows. Journal of Soil and Water Conservation. 58(5):327-331.
Sojka, R.E., Morishita, D.W., Foerster, J.A., Wille, M.J. 2003. Weed seed transport and weed establishment as affected by pam in furrow-irrigated corn. Journal of Soil and Water Conservation. 58(5):319-326.