Peter R. Keller

Visual cues - practical data visualization

Peter R. Keller, Marylin M. Keller, P. R. Keller, 1993 .

Comparing methods to view corneal topography data

Peter R. Keller, P. P. Van Saarloos, P. Keller, 1996 .

Perspectives on corneal topography: a review of videokeratoscopy

Peter R. Keller, Paul P. van Saarloos, P. Keller, 1997 .