1. R. C. Balmer, 1991 . Evaluation of a proposed modification of the slope-matching (SM) method of aquifer test analysis for the determination of aquifer transmissivity and storativity . Wright State Univ., Dept., of Geological Sciences, Dayton, OH 45435. M.S. thesis.
2. Analysis of Pumping Test Data Using Marquardt Algorithm
3. Algorithm for Theis Solution