- CSB - MetaPress - Google - Bing - Yahoo
 | 1989 | |
|---|---|---|
| 2 |      | Garrett Birkhoff: Term Rewriting and Universal Algebra in Historical Perspective (Abstract of Invited Lecture). RTA 1989: 1 |
| 1975 | ||
| 1 |  | Garrett Birkhoff: Two Hadamard Numbers for Matrices. Commun. ACM 18(1): 25-29 (1975) |