Memoirs of the American Mathematical Society, ISSN 0065-9266 ; Volume 186, Number 873
Print version: Duncan, A. J. (Andrew James), 1954- Exponential genus problems in one-relator products of groups. Providence, Rhode Island : American Mathematical Society, c2007 vii, 156 pages Memoirs of the American Mathematical Society ; Volume 186, Number 873. ISBN 9780821839454