This web page lists the references in my paper:

"Further Gossip Problems" with Daniel J. Kleitman, Discrete Mathematics, 30(1980), p.151-156.

• R. T. Bumby, "A Problem with Telephones", Siam Journal of Algebraic and Discrete Methods, 2(1981), p. 13-18.
• K. Lebensold, "Efficient communication by phone calls", Studies in Appl. Math., 52(1973), 345-358.
• R. Shostak and B. Baker, "Gossips and telephones", Discrete Math., 2(1972), 191-193.