1. R. H. Brown, 1963 . Drawdown resulting from cyclic intervals of discharge . U.S.G.S. Water-SupplyPaper1536 -1 pp.1536 -1 .
2. J. R. Harrill, 1971 . Determining transmissivity from water-level recovery of a step-drawdown test (In Geological Survey Research 1970) . U.S.G.S. Prof. Paper700-C . 700-C -C213 .
3. C. E. Jacob, 1943 . Determining the permeability of water-table aquifers . U.S.G.S. Water-SupplyPaper1536 -1 pp.1536 -1 .
4. C. E. Jacob, and H. Rouse, 1950 . Flow of ground water. Chap. 5 in Engineering Hydraulics (), Wiley, N.Y.pp.321 -386 .