1. Abramowitz M, Stegun IA (1965) Handbook of mathematical functions. US Government Printing Office, Washington, DC
2. Avci CB (1992) Parameter estimation for step-drawdown tests. Ground Water 30(3):338–342
3. Barlow PM, Moench AF (1999) WTAQ: a computer program for calculating drawdowns and estimating hydraulic properties for confined and water-table aquifers. US Geol Surv Sci Invest Rep 99–4225, 74 pp
4. Batu V (1998) Aquifer hydraulics: a comprehensive guide to hydrogeologic data analysis. Wiley, New York
5. Bear J (1979) Hydraulics of groundwater. McGraw-Hill, New York