Customer Supply Center (U.S.); United States. Federal Supply Service (1998). Customer Supply Center. U.S. General Services Administration, Federal Supply Service. p. 139. Retrieved 2024-11-27.
Dymo Industries, Inc. v. Com-tech, Inc., 391 F.2d 335 (9th Cir. 1968) ("The distinctive feature of the tapes is that, when they are embossed, the characters thus stamped upon them take on a white color... This 'stress-whitening' quality of the plastics... renders the finished label particularly readable and attractive.").
