Principles of dental imagingOlaf E. Langland, Robert P. Langlais, John Preece · First published 1997 · Latest edition 2002Open the Tome
Diagnostic imaging of the jawsRobert P. Langlais, Olaf E. Langland · First published 1994Open the Tome
Radiology for dental hygienists and dental assistantsOlaf E. Langland · First published 1988Open the Tome