J C · Jean Chapelot · John Coefield
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Viktor Schauberger: A Life of Learning from Nature | 978-0-86315-724-0 (0-86315-724-6) | 2009 |
| Viktor Schauberger: A Life of Learning from Nature | 978-0-86315-569-7 (0-86315-569-3) | 2007 |