Stoyanov, D., ElHelw, M., Lo, B., Chung, A., Bello, F., & Yang, G. (2003). Current issues of photorealistic rendering for virtual and augmented reality in minimally invasive surgery. Information visualization : proceedings : Seventh International Conference on Information Visualization : an international conferenece on computer visualization & graphics applications : 16-18 July, 2003, London, England, 350-358. https://doi.org/10.1109/IV.2003.1218010

Stoyanov, D., M. ElHelw, B.P Lo, A. Chung, F. Bello, a Guang-Zhong Yang. "Current Issues of Photorealistic Rendering for Virtual and Augmented Reality in Minimally Invasive Surgery." Information Visualization : Proceedings : Seventh International Conference on Information Visualization : An International Conferenece on Computer Visualization & Graphics Applications : 16-18 July, 2003, London, England 2003: 350-358. https://doi.org/10.1109/IV.2003.1218010.

Stoyanov, D., et al. "Current Issues of Photorealistic Rendering for Virtual and Augmented Reality in Minimally Invasive Surgery." Information Visualization : Proceedings : Seventh International Conference on Information Visualization : An International Conferenece on Computer Visualization & Graphics Applications : 16-18 July, 2003, London, England, 2003, pp. 350-358, https://doi.org/10.1109/IV.2003.1218010.