| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Proceedings of the International Seminar on Natural Family Planning and Family Life Education | 978-962-2O9-26O-O (962-2O9-26O-8) | 1990 | John S. J. Russell · Irene Osmund Ruiz |
C.R. · C. Ruiz · José Ramón Carriazo Ruiz · R. C. · R.R. · R. Ruiz · Ramon Ruiz