| title | media type | ISBN-13 (ISBN-10)  | year of publica- tion  | other author(s) | 
|---|---|---|---|---|
| Grasslands, Systems Analysis and Man | Paperback | 978-1-107-40416-8 (1-107-40416-9)  | 2012 | George M. van Dyne | 
| Grasslands, Systems Analysis and Man | Hardcover | 978-0-521-21872-6 (0-521-21872-1)  | 1980 | " |