title | ISBN-13 (ISBN-10) | year of publication |
---|---|---|
Nutrient Minerals in Grassland Herbage | 978-0-85198-207-6 (0-85198-207-7) | 1966 |
Role of Nitrogen in Grassland Productivity | 978-0-85198-015-7 (0-85198-015-5) | 1970 |
C. W. · C. Whitehead · D.C. · D.W. · D. Whitehead