1. W. H. Liederbach, unpublished work.
2. For example, L. C. Hoffman, U. S. Patent 3,516,949, issued 6/23/70.
3. G. R. Van Houten, “A Survey of Ceramic-to-Metal Bonding,≓ Am. Ceram. Soc. Bull.38, p. 301 (1959).
4. R. G. Loasby, N. Davey, and H. Barlow, “Enhanced Property Thick-Film Conductor Pastes,≓ Sol. St. Tech.,15, No. 5, p. 46 (1972).
5. B. R. Smith and R. L. Dietz, “An Innovation in Gold Paste,≓ Proc. ISHM Symp., p. 2-A-5-1 (1972).