Husson O., Séguy L., Michellon R., Boulakia S.. 2006. In : Uphoff Norman T. (ed.), Ball Andrew S. (ed.), Fernandes Erik C.M. (ed.), Herren Hans R. (ed.), Husson Olivier (ed.), Laing Mark V. (ed.), Palm Cheryl (ed.), Pretty Jules (ed.), Sanchez Pedro (ed.), Sanginga Nteranya (ed.), Thies Janice (ed.). Biological approaches to sustainable soil systems. Boca Raton : CRC Press, p. 343-356. (Book in Soils, Plants and the Environment, 113).