L. R. · Lewis R. · R Z · R. Zeyher
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Production and operations manual and guide | 978-0-13-725275-6 (0-13-725275-7) | 1975 |
| Production manager's handbook of formulas and tables | 978-0-13-724427-0 (0-13-724427-4) | 1972 |
| Zeyher's New guide to cost reduction in plant operations | 978-0-13-983932-0 (0-13-983932-1) | 1977 |