The significance regulation of soil biodiversity :
The significance regulation of soil biodiversity : proceedings
International Symposium on Soil Biodiversity, held at East Lansing on rd to th May, edited by H.P. Collins, G.P. Robertson and M.J. Klug
- Dordrecht : Kluwer Academic Publishers , 1995
- vii, 292 p. : ill. figures
- Developments in plant and soil sciences .