Miller R.T. Field observations,preliminary model analysis,and aquifer thermal efficiency / R.T.Miller,G.N.Delin, 1993. - V,55 p. p. - Текст : непосредственный.
Delin G.N. Delineation of recharge areas for selected walls in the St.Peter-Prairie du Chien-Jordan aquifer,Rochester,Minnesota / G.N.Delin,J.E.Almendinger, 1993. - 39 p. - Текст : непосредственный.