Beacon: a light emitting diode television display.

"Supported in part by contract no. US AEC AT(11-1) 1469."

Using light emitting diodes in traffic signals -- final report.

Federal Highway Administration, Washington, D.C.

Zoonomia; or, The laws of organic life ...

"Directions to the binder," "Errata," and "Advertisement [announcement of v. 2]": v. 1, p. [587-588]