TY - RPRT TI - Silica-coated titania and zirconia colloids for subsurface transport field experiments AU - Joseph N. Ryan AU - Menachem Elimelech AU - Jenny L. Baeseman AU - Robin D. Magelky PY - 2000 DO - 10.1021/es9909531 UR - https://pubs.usgs.gov/publication/70185228 ID - 70185228 ER -