| 2006 |
|---|
| 4 | EE | Andries E. Brouwer,
Peter J. Cameron,
Willem H. Haemers,
D. A. Preece:
Self-dual, not self-polar.
Discrete Mathematics 306(23): 3051-3053 (2006) |
| 1999 |
|---|
| 3 | EE | N. C. K. Phillips,
D. A. Preece:
Tight single-change covering designs with v = 12, K = 4.
Discrete Mathematics 197-198: 657-670 (1999) |
| 1994 |
|---|
| 2 | EE | D. A. Preece,
P. W. Brading,
Clement W. H. Lam,
M. Côté:
Balanced 6 × 6 designs for 4 equally replicated treatments.
Discrete Mathematics 125(1-3): 319-327 (1994) |
| 1972 |
|---|
| 1 | | J. C. Gower,
D. A. Preece:
Generating Successive Incomplete Blocks with Each Pair of Elements in at Least One Block.
J. Comb. Theory, Ser. A 12(1): 81-97 (1972) |
