Earthworm macropores and preferential transport in a long term manure applied typic hapludalf / E. Munyankusi, S. C. Gupta, J. F. Moncrief, E. C. Berry, 1993. - 49 p. - Текст : непосредственный.
Thoma D.P. Quantifying river bank erosion with scanning laser altimetry / D.P.Thoma,S.C.Gupta,M.E.Bauer, 2002. - 5 l. - Текст : непосредственный.
Ewing P. Pore-scale network modeling of compaction and filtration during surface sealing / P.Ewing,S.C.Gupta, 1993. - 35 p. - Текст : непосредственный.