P. S. Heckbert and P. Hanrahan, "Beam tracing polygonal objects", Computer Graphics 18(3), 119-127 (1984). http://www.eng.utah.edu/~cs6958/papers/p119-heckbert.pdf
A. Lehnert, "Systematic errors of the ray-tracing algorithm", Applied Acoustics 38, 207-221 (1993). https://www.sciencedirect.com/science/article/pii/0003682X93900528
Fortune, Steven (13 June 1999). "Topological beam tracing". Proceedings of the fifteenth annual symposium on Computational geometry. pp. 59–68. doi:10.1145/304893.304911. ISBN 1-58113-068-6. 1-58113-068-6
M. Watt, "Light-water interaction using backwards beam tracing", in "Proceedings of the 17th annual conference on Computer graphics and interactive techniques(SIGGRAPH'90)",377-385(1990). http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.623.889&rep=rep1&type=pdf
B. Duvenhage, K. Bouatouch, and D.G. Kourie, "Exploring the use of Glossy Light Volumes for Interactive Global Illumination", in "Proceedings of the 7th International Conference on Computer Graphics, Virtual Reality, Visualisation and Interaction in Africa", 2010. https://researchspace.csir.co.za/dspace/bitstream/handle/10204/4138/Duvenhage2_2010.pdf?sequence=1&isAllowed=y
T. Funkhouser, I. Carlbom, G. Elko, G. Pingali, M. Sondhi, and J. West, "A beam tracing approach to acoustic modelling for interactive virtual environments", in Proceedings of the 25th annual conference on Computer graphics and interactive techniques (SIGGRAPH'98), 21-32 (1998). https://www.graphicon.ru/oldgr/library/siggraph/98/papers/funkhous/funkhous.pdf
Steven Fortune, "A Beam-Tracing Algorithm for Prediction of Indoor Radio Propagation", in WACG 1996: 157-166 https://link.springer.com/chapter/10.1007/BFb0014493