| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Range plant community types and carrying capacity for the dry and central mixedwood subregions: Second approximation, 1997 | 978-O-7785-OO16-2 (O-7785-OO16-O) | 1996 |
M W · Michael L. N Willoughby · Michael T. Willoughby · Michael W. · Richard Michael Willoughby