1. Alexander EB (1988) Morphology, fertility, and classification of productive soils on serpentinized peridotite in California (USA). Geoderma 41:337–351
2. Alexander EB (2004) Varieties of ultramafic soil formation, plant cover and productivity. In: Boyd RS, Baker AJM, Proctor J (eds) Ultramafic rocks: Their soils, vegetation and fauna. Proceedings of the 4th international conference on serpentine ecology. Science Reviews, St. Albans, Herts, UK, pp 9–17
3. Anderson PR, Christensen TH (1988) Distribution coefficients of Cd, Co, Ni, and Zn in soils. Journal of Soil Science 39:15–22
4. Baker AJM, McGrath SP, Sidoli CMD, Reeves RD (1994) The possibility of in situ heavy metal decontamination of polluted soils using crops of metal-accumulating plants. Resources, Conservation and Recycling 11:41–49
5. Becquer T, Bourdon E, Pétard J (1995) Disponibilité du nickel le long d’une toposéquence de sols développés sur roches ultramafiques de Nouvelle-Calédonie. Comptes rendus de l’Académie des Sciences Paris, Série IIa 321:585–592