TY - RPRT TI - Evaluation of unconfined-aquifer parameters from pumping test data by nonlinear least squares AU - M. Heidari AU - A. Moench PY - 1997 DO - 10.1016/s0022-1694(96)03101-0 UR - https://pubs.usgs.gov/publication/70019730 ID - 70019730 ER -