| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Criteria for Defining the Soil Family and Soil Sibling: The Fourth and Fifth Categories of the New Zealand Soil Classification | 978-O-478-34728-9 (O-478-34728-6) | 2011 | T.H. (Trevor Haddon) Webb |