R. L · Roland Lambrecht · Roland Lamprichs · Roland Leuenberger
| title | media type | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|---|
| The Issues and Challenges of Reducing Non-Revenue Water | Paperback | 978-92-9092-095-3 (92-9092-095-5) | 2010 | Rudolph Frauendorfer |
| The Issues and Challenges of Reducing Non-Revenue Water | Hardcover | 978-92-9092-193-6 (92-9092-193-5) | 2010 | Rudolf Frauendorfer |