1.
De dynamiek van strooisellagen; voordrachten tijdens de themamiddag georganiseerd door DLO-Staring Centrum, Wageningen, 6 oktober 1995
De uitgangstoestand van bodemvariabelen in Norgerholt en Tongerense hei; basisprogramma bosreservaten
The saprophagous macrofauna of different types of humus in beech forests of the Ardenne (Belgium)
2.
Ectomycorrhizal fungi of Scots pine as affected by litter and humus
Chemical composition of the humus layer, mineral soil and soil solution of 200 forest stands in the Netherlands in 1995