| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Strings and Superstrings | 978-9971-5-0524-0 (9971-5-0524-X) | 1988 | |
| Strings and Superstrings: El Escorial, Spain Une 1-6, 1987 | 978-9971-5-0523-3 (9971-5-0523-1) | 1988 | M. Ramon-Medrano · G. S. Rodero |