Commentary on an unpublished lecture by G. N. Watson on solving the quintic, Math. Intelligencer 24 (2002), 15-33. (with B. C. Berndt and B. K. Spearman)
Sarvadaman Chowla (1907-1995), Notices Amer. Math. Soc. 45 (1998), 594-598. (with R. G. Ayoub and J. G. Huard)
Mathematical modelling of atom loss in delivery tubing, Canad. J. Chemistry 70 (1992), 1978-1984. (with R. S. Daniels and D. C. Wigfield)