Young, M. H., Albright, W. H., Pohlmann, K. F., Pohll, G. M., Zachritz, W. H., Zitzer, S. F., Shafer, D. S., Nester, I., Oyelowo, L. (2006). Designing alternative landfill covers using parametric uncertainty analysis.Designing alternative landfill covers using parametric uncertainty analysis., In Unsaturated Soils, 682-694