1.
Ecology of the Shortgrass Steppe Perspectives from Long-Term Research
by Lauenroth, W. K., Burke, In...
ISBN: 9780195135824
List Price: $69.95
2.
Better Planet : Forty Big Ideas for a Sustainable Future
by Esty, Daniel C., Burke, Ing...
ISBN: 9780300255225
List Price: $20.00