1. Provisional geochemical atlas of Northern Ireland;Appl. Geochem. Res. Group, Imperial Coll., Tech. Comm.,1973
2. The geology and metalliferous mineral potential of the Sperrin Mountains area;Arthurs;Mem., Geol. Surv. N. Irel.,1976
3. The influence of environment on regional geochemical patterns in Northern Ireland;Butt,1971
4. Fe-Mn oxide coatings in stream sediment geochemical surveys;Carpenter;J. Geochem. Explor.,1975
5. Localities of minerals of economic importance and metalliferous mines in Ireland;Cole;Mem., Geol. Surv. Irel.,1922