Biblio
F
J. Boll, Steenhuis, T. S., Selker, J., Nijssen, B. M., and Ochs, E. S.,
“Fiberglass wicks for sampling water and solutes from the unsaturated zone”,
Paper-American Society of Agricultural Engineers (USA), 1990.
W
J. Boll, Selker, J., Nijssen, B. M., Steenhuis, T. S., Van Winkle, J., and Jolles, E.,
“Water quality sampling under preferential flow conditions”, in
Lysimeters for Evapotranspiration and Environmental Measurements, 1991.