Oxford University Press · Springer
| title | media type | ISBN-13 (ISBN-10) | year of publication | |
|---|---|---|---|---|
| Kenya: A Geomedical Monograph | Taschenbuch | 978-3-642-66937-8 (3-642-66937-9) | 2013 | |
| North Rhine-Westphalia | Paperback | 978-0-19-913290-4 (0-19-913290-9) | 1983 | |
| North Rhine-Westphalia | Hardcover | 978-0-19-913104-4 (0-19-913104-X) | 1974 |