Yazar
Jan Erik Mattsson
3 cilt bulundu.
Cilt sonuçları
Trädbränslens hanterings-egenskaper
Jan Erik Mattsson · Sveriges lantbruksuniversitet, Institutionen för Skogsteknik
46 sayfa · 1988
Fuelwood / Wood chips / Wood waste
Basic handling characteristics of wood fuels
Jan Erik Mattsson · Swedish University of Agricultural Sciences, Faculty of Forestry, Dept. of Operational Efficiency
17 sayfa · 1989
Wood waste as fuel / Fuelwood / Forests and forestry / Economic aspects / Mathematical models
A monograph of the genus Vulpicida (Parmeliaceae, Ascomycetes)
Jan Erik Mattsson · Council for Nordic Publications in Botany
61 sayfa · 1993
Parmeliacaeae / Classification