A manual of methods for the continuous flow determination of ammonia, nitrate-nitrite, phosphate and silicate in seawater

Hydes, D.J. 1984 A manual of methods for the continuous flow determination of ammonia, nitrate-nitrite, phosphate and silicate in seawater. Wormley, UK, Institute of Oceanographic Sciences, 37pp. (Institute of Oceanographic Sciences Report 177)