Clifford A. Lynch. “Identifiers and Their Role in Networked Information Applications,” ARL Newsletter 194 (October 1997), pp. 12-14.
Also with revisions in Bulletin of the American Society for Information Science 24:2 (December/ January 1998), pp. 17-20. Another version in CAUSE/EFFECT 20:4 (Winter 1997-1998), pp 8-14. Reprinted in Feliciter: A Publication of the Canadian Library Association 44:2 (February 1998), pp. 31-35.