1. Optical design and characterization of solar concentrators for photovoltaics;Nilsson,2005
2. Properties of the Parabolico-theoric focons;Baranov;Opt Mekh Prom,1965
3. Parabolotoroidal mirrors as elements of solar energy concentrators;Baranov;Appl Sol Energy,1966
4. Lichtführungseinrichtungen mit starker Konzentrationswirkung (English translation: a light guiding device with strong concentration action);Ploke;Optik,1967
5. Device for Restricting in one plane the angular aperture of a pencil of rays from a light source (in Russian);Baranov;Russ Certif Author,1967