Proceedings, 21st U.S. Department of Agriculture Interagency Research Forum on Invasive Species [electronic resource] : January 12-15, 2010, Loews Annapolis Hotel, Annapolis, Maryland / edited by Katherine McManus and Kurt W. Gottschalk ; sponsored by Forest Service Research ... [et al.].
Imprint
Newtown Square, PA : U.S. Dept. of Agriculture, Forest Service, Northern Research Station, [2010]