Procedural field grasses. - Lee A. Butler; David S. Ebert (SIGGRAPH Abstracts and Applications, 1998)

Comparing CPU Performance Between and Within Processor Families. - Lee A. Butler; Travis Atkison; Ethan L. Miller (Int. CMG Conference, 2000)

Toward efficient and accurate order-independent transparency. - Ethan Kerzner; Chris Wyman; Lee A. Butler; Christiaan P. Gribble (SIGGRAPH Posters, 2013)

A Shot at Visual Vulnerability Analysis. - Ethan Kerzner; Lee A. Butler; Charles D. Hansen; Miriah D. Meyer (Comput. Graph. Forum, 2015)