1. “Mathematical Theory of Optics,”;Luneburg,1964
2. “The Changes in Aberrations when the Object and Stop are Moved,”;Smith;Trans. Opt. Soc. (London),1922
3. “Grundlagen der Praktischen Optik,”;Berek,1970
4. “The design of Photographic Objectives of the Triplet Family (Parts I and II),”;Cruikshank;Austr. J. Phys.,1958
5. “Optimization Techniques in Lens Design,”;Jamieson,1971