Rohrich, Thomas. User's manual for AquiferTest (student version) : the intuitive aquifer test analysis program / by Thomas Rohrich. - Highlands Ranch, Colo. : Water Resources Publications, c1997. - 33 p. : ill. ; 28 cm. ISBN: 188720105X (pbk.) Subjects--Topical Terms: Groundwater.Hydrogeology.Groundwater flow--Measurement.Wells--Fluid dynamics.Aquifers--Measurement--Computer programs.