The following publications are possibly variants of this publication:
- An upper bound for the cardinality of an s-distance subset in real Euclidean space, IIEiichi Bannai, Etsuko Bannai, Dennis Stanton. combinatorica, 3(2):147-152, 1983.
- An Upper Bound for the Cardinality of an s-Distance Set in Euclidean SpaceEtsuko Bannai, Kazuki Kawasaki, Yusuke Nitamizu, Teppei Sato. combinatorica, 23(4):535-557, 2003. [doi]