TY - RPRT TI - Documentation of R-UNSAT, a computer model for the simulation of reactive, multispecies transport in the unsaturated zone AU - Matthew A. Lahvis AU - Arthur L. Baehr PY - 1997 DO - 10.3133/ofr97630 UR - https://pubs.usgs.gov/publication/ofr97630 ID - ofr97630 ER -