title: Changes in the lower ionosphere during the eclipse--a preliminary report of the Canadian Programme: (4) observations of solar ionizing radiations during the eclipse.
authors.affiliation: Science Research Council, Radio and Space Research Station, Slough, England.
authors.forename: J E
authors.initials: JE
authors.lastname: Hall
authors.forename: P H
authors.initials: PH
authors.lastname: Dickinson
authors.forename: A J
authors.initials: AJ
authors.lastname: Hall