1. Environmental geochemistry: some recent studies in the United Kingdom;Thornton,1973
2. The application of regional geochemical reconnaissance data to water quality studies;Aston;J. Wat. Treat. Exam.,1973
3. Geochemical studies in selected rivers and estuaries;Thornton,1973
4. Fortran IV program for grey level mapping of spatial data;Howarth;Math. Geol.,1971
5. Introduction to Marine Chemistry;Riley,1971