Lieblich, Russell. "A Plexiglas Object Illuminated by Visible and Infrared (Invisible) Radiation Components of a Laser Beam." Leonardo 10/1 (Winter 1977): 44-45.

Lieblich, Russell. "A Plexiglas Object Illuminated by Visible and Infrared (Invisible) Radiation Components of a Laser Beam." Leonardo 10/1 (Winter 1977): 44-45.