Atekwana, Estella A; Sauck, William A; Werkema, Douglas D (May 2000). "Investigations of geoelectrical signatures at a hydrocarbon contaminated site". Journal of Applied Geophysics. 44 (2–3): 167–180. Bibcode:2000JAG....44..167A. doi:10.1016/S0926-9851(98)00033-0.
Atekwana, Estella A; Sauck, William A; Werkema, Douglas D (2000). "Investigations of geoelectrical signatures at a hydrocarbon contaminated site". Journal of Applied Geophysics. 44 (2–3): 167–180. Bibcode:2000JAG....44..167A. doi:10.1016/S0926-9851(98)00033-0.
Atekwana, Estella A; Sauck, William A; Werkema, Douglas D (May 2000). "Investigations of geoelectrical signatures at a hydrocarbon contaminated site". Journal of Applied Geophysics. 44 (2–3): 167–180. Bibcode:2000JAG....44..167A. doi:10.1016/S0926-9851(98)00033-0.
Atekwana, Estella A; Sauck, William A; Werkema, Douglas D (2000). "Investigations of geoelectrical signatures at a hydrocarbon contaminated site". Journal of Applied Geophysics. 44 (2–3): 167–180. Bibcode:2000JAG....44..167A. doi:10.1016/S0926-9851(98)00033-0.