1.
Grassland Dynamics Long-Term Ecological Research in Tallgrass Prairie
by Knapp, Alan K., Briggs, Joh...
ISBN: 9780195114867
List Price: $75.00
2.
Principles And Standards for Measuring Primary Production
by Fahey, Timothy J., Knapp, A...
ISBN: 9780195168662
List Price: $60.00