1. The Chemical Analysis of Ecological Materials.;Allen,1990
2. The description and interpretation of cyclical processes in a heath community. III. Micro-climate in relation to the Calluna cycle.;Barclay-Estrup;J. Ecol.,1971
3. Approche experimental de Γeffet immediat d’un inendie sur le peuplement de Micro- arthropodes d’une lande.;Bellido;Rev. Ecol. Biol. Sol,1987
4. Turf stripping on heathlands.;Dolman;British Wildlife,1993
5. Identification Keys to Norwegian Collembola.;Fjellberg;Norsk Ent. For.,1982