title: Measurement of the plasma potential with ion acoustic waves.
abstract: Plasma potentials are determined from the bias of a Langmuir probe at which the ac probe current due to an externally excited ion wave vanishes.
authors.affiliation: Department of Physics, University of Saskatchewan, Saskatoon, Canada S7N 0W0.
authors.forename: L
authors.initials: L
authors.lastname: Schott