Citation: A. Aminot et al., DETERMINATION OF AMMONIA IN SEAWATER BY THE INDOPHENOL-BLUE METHOD - EVALUATION OF THE ICES NUTS I C-5 QUESTIONNAIRE/, Marine chemistry, 56(1-2), 1997, pp. 59-75
Citation: Ds. Kirkwood et al., THE 1994 QUASIMEME LABORATORY PERFORMANCE STUDY - NUTRIENTS IN SEAWATER AND STANDARD SOLUTIONS, Marine pollution bulletin, 32(8-9), 1996, pp. 640-645
Citation: A. Aminot et Ds. Kirkwood, THE 1993 QUASIMEME LABORATORY-PERFORMANCE STUDY - NUTRIENTS IN SEA-WATER AND STANDARD SOLUTIONS, Marine pollution bulletin, 29(4-5), 1994, pp. 159-165