Polynomial algorithms for restricted Euclidean p-centre problems. - Larry Aupperle; J. Mark Keil (Discret. Appl. Math., 1989)

A rapid hierarchical radiosity algorithm. - Pat Hanrahan; David Salzman; Larry Aupperle (SIGGRAPH, 1991)

A hierarchical illumination algorithm for surfaces with glossy reflection. - Larry Aupperle; Pat Hanrahan (SIGGRAPH, 1993)