Dehlen, R., and S. Nilsson. 1976. Plastovertackning av tallvaltor for att undvika angrepp av storre margborrar [Covering pine stacks with plastic material to the effect of preventing attacks by Blastophagus piniperda]. Skogshogskolan, Institutionen for Skogsteknik, Rapporter och Uppsatser Nr. 95. 36 p.
Dehlen & Nilsson 1976
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