J. S. · John F. Sommer · John G Sommer · John S.
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Engineered Rubber Products: Introduction to Design, Manufacture and Testing | 978-1-56990-433-6 (1-56990-433-2) | 2009 |
| Troubleshooting Rubber Problems | 978-1-56990-553-1 (1-56990-553-3) | 2014 |