D. A. Lockington, Parlange, J. - Y., Parlange, M. B., and Selker, J.,
“Similarity solution of the Boussinesq equation”,
Advances in water resources, vol. 23, pp. 725–729, 2000.
L. Li, Lockington, D. A., Parlange, M. B., Stagnitti, F., Jeng, D. - S., Selker, J., Telyakovskiy, A. S., Barry, D. A., and Parlange, J. - Y.,
“Similarity solution of axisymmetric flow in porous media”,
Advances in water resources, vol. 28, pp. 1076–1082, 2005.