1. The restoration of land. The ecology and reclamation of derelict and degraded land;Bradshaw,1980
2. Arsenic in water, sediment and vegetation of the Jales gold mine, North Portugal;De Koe,1991
3. Heavy metals and arsenic in grasses and soils of mine spoils in north east Portugal, with particular reference to some Portuguese goldmines;De Koe,1991
4. Arsenate tolerance in Agrostis castellana and Agrostis delicatula;De Koe;Plant Soil.,1993
5. Mine Vegetation in Europe;Ernst,1990