- Beattie, M., J. E. Marsden and R. Sharpe
A universal factorization theorem in topology,
Canad. Math. Bull., 9, (1966), 201-207.
(pdf)
- Beattie, M., J. E. Marsden and R. Sharpe
Order in finite affine planes,
Canad. Math. Bull., 9, (1966), 407-411.
(pdf)
