Melting and flowing. - Mark T. Carlson; Peter J. Mucha; R. Brooks Van Horn III; Greg Turk (Symposium on Computer Animation, 2002)

Procedural Reduction Maps. - R. Brooks Van Horn III (2007)

Antialiasing Procedural Shaders with Reduction Maps. - R. Brooks Van Horn III; Greg Turk (IEEE Trans. Vis. Comput. Graph., 2008)