1. Anderson, J. M. (1971): Observations on the vertical distribution of Oribatei (Acarina) in two woodland soils. IV. Coll Pedobiologiae. C.R. 4eme poll. Int. Zool. Sol. Ed. I.N.R.A. Paris, 257–272
2. Anderson, J. M. (1973): Stand structure and litter fall of a coppiced beech (Fagus sylvatica) and sweet chestnut (Castanea sativa) woodland, Oikos 24.
3. Anderson, J.M. and Healey , I. N. (1972): Seasonal and interspecific variations in major components of the gut contents of some woodland Collembola. J. Anim. Ecol. 41, 359–368.
4. Broadhead, R. and Wapshere, A. J. (1966): Mesopsocus populations on larch in England — the distribution and dynamics of two closely-related co-existing species of Psocoptera sharing the same food resource. Ecol. Monogr. 36, 327–388.
5. Burges, A. and Raw, F. (Eds.) (1967): Soil Biology. Academic Press, London and New York.