Bibliography Details Questar Corporation. Price catalog, 1964. The following is a complete listing of all citations using this source: § 3.1. Design Changes and RefinementsCitation No. 1§ 3.2. Variations on a Theme: Field Model, Duplex, and the Questar SevenCitation No. 2§ 3.3. Marketing and SalesCitation No. 3§ 4.1. New Offerings for Photographers and CinematographersCitation No. 4TimelineCitation No. 5Citation No. 6