Kirjat Ephraim Zimmerman
Vegetation Classification and Mapping at Allegheny Portage Railroad National Historic Site
Stephanie Perles, Gregory Podniesinski, Ephraim Zimmerman, Elizabeth Eastman, Lesley Sneddon, National Park Service Staff
-25% koodilla BOOKS
Toimittajalla varastossa
Distribution and Abundance of Nonnative Plant Species at Johnstown Flood National Memorial and Allegheny Portage Railroad National Historic Site
National Park Service, Ephraim Zimmerman, National Park Service Staff
-25% koodilla BOOKS
Toimittajalla varastossa