1. Nature Management by Grazing and Cutting
2. Dispersal, germination and early establishment of halophytes and glycophytes on a grazed and abandoned salt marsh gradient;Bakker;New Phytol.,1985
3. Bobbink, R. 1989. Brachypodium pinnatum and the species diversity in chalk grassland. Thesis. University of Utrecht.
4. Beobachtungen an Dauerquadraten auf der Lotseninsel Schleimünde;Christiansen;Schr. Naturwiss. Ver. Schleswig-Holstein,1937
5. The effects of size opening in vegetation and litter cover on seedling establishment of golden rods (Solidago spp.);Goldberg;Oecologia,1983