1. ATKINS, W. R. G. (1923). The Phosphate content of fresh and salt waters and its relationship to the growth of the algal plankton, Journal M.B.A. vol. 12, p. 119.
2. — (1926)a. Silica content of some natural waters & of Culture media, Journal M.B.A. vol. 14, p. 89.
3. ATKINS, W. R. G. (1926)b. A quantitative consideration of some factors concerned in plant growth in water. Journal du Conseil Perm. Intern. pour l'Explor. de la Mer. vol. L, No. 2 & 3.
4. — and POOLE, H. H. (1926). On the penetration of light into sea water, Journal M.B.A. vol. 14, p. 177.
5. BOERGESEN, F. (1905). The Algae-Vegetation of the Faeroes Coasts, Botany of the Faeroes, part II-p. 683–834. Copenhagen.