Norbert L. Johnson

Principles of bispectral fluorescence colorimetry

James E. Leland, Norbert L. Johnson, Angelo V. Arecchi, 1997, Optics & Photonics.

Measuring the Appearance of Retroreflectors by Application-Oriented Goniophotometry

Norbert L. Johnson, 1986 .

Metrology of fluorescent retroreflective materials and its relationship to their daytime visibility

David M. Burns, Norbert L. Johnson, 1999 .

Colorimetry of durable fluorescent retroreflective materials

David M. Burns, Norbert L. Johnson, Lee A. Pavelka, 1995 .