Dutch elm disease : proceedings of IUFRO conference, Minneapolis, St. Paul, USA, September 1973

compiled by D.A. Burdekin and H.M. Heybroek
Bok · Engelsk · 1975 International Union of Forestry Research Organizations

Utgitt	Upper Darby, PA : USDA Forest Service , 1975
Omfang	94 s. : ill.
Emner	almesyke almesplintborere ophiostoma ceratocystis ulmi