J. McClure

Effect of forest harvesting best management practices on coarse woody debris distribution in stream and riparian zones in three Appalachian watersheds

R. Kolka, A. White, R. Kolka, 2004 .

Phosphorus distribution and availability in response to dairy manure applications

P. M. Gale, D. Tyler, M. D. Mullen, 2000 .

A working description of the Penn State Apple Orchard Consultant, an expert system

P. H. Heinemann, Robert Michael Crassweller, Edwin G. Rajotte, 1992 .