TY - RPRT TI - A hybrid optimization approach to the estimation of distributed parameters in two-dimensional confined aquifers AU - M. Heidari AU - S.R. Ranjithan PY - 2007 DO - 10.1111/j.1752-1688.1998.tb01525.x UR - https://pubs.usgs.gov/publication/70020872 ID - 70020872 ER -