Cabral, Brian; Leedom, Leith Casey (August 2–6, 1993). "Imaging Vector Fields Using Line Integral Convolution". Proceedings of the 20th annual conference on Computer graphics and interactive techniques. SIGGRAPH '93. Anaheim, California. pp. 263–270. CiteSeerX10.1.1.115.1636. doi:10.1145/166117.166151. ISBN0-89791-601-8.
Cabral, Brian; Leedom, Leith Casey (August 2–6, 1993). "Imaging Vector Fields Using Line Integral Convolution". Proceedings of the 20th annual conference on Computer graphics and interactive techniques. SIGGRAPH '93. Anaheim, California. pp. 263–270. CiteSeerX10.1.1.115.1636. doi:10.1145/166117.166151. ISBN0-89791-601-8.