Feistel, R*; Wielgosz, R*; Bell, S A; Camoes, M F*; Cooper, J R*; Dexter, P*; Dickson, A G*; Fisicaro, P*; Harvey, A H*; Heinonen, M*; Hellmuth, O*; Kretzschmar, H J*; Lovell-Smith, J W*; McDougall, T J*; Pawlowicz, R*; Ridout, P*; Seitz, S*; Spitzer, P*; Stoica, D*; Wolf, H* (2016) Metrological challenges for measurements of key climatological observables: oceanic salinity and pH, and atmospheric humidity. Part 1: overview. Metrologia, 53 (1). R1-R11

Brewer, P J; Panagoulia, D; Brown, R J C; Tromans, A*; Reyes, A*; Arce, M*; Vospelova, A*; Rozikova, M*; Pratt, K W*; Asakai, T*; Jakobsen, P T*; Camoes, M F*; Oliveira, C S*; Godinho, I*; Spitzer, P*; Sander, B*; Mariassy, M*; Vyskocil, L*; Fisicaro, P*; Stoica, D*; Uysal, E* (2015) International comparison on Ag|AgCl electrodes for pH measurement. Measurement, 66. pp. 131-138.

Brewer, P J; Brown, R J C; Panagoulia, D; Tromans, A*; Reyes, A*; Arce, M*; Vospelova, A*; Pratt, K W*; Asakai, T*; Jakobsen, P T*; Jensen, H*; Oliveira, C S*; Camoes, M F*; Spitzer, P*; Adel, B*; Mariassy, M*; Vyskocil, L*; Fisicaro, P*; Stoica, D*; Uysal, E* (2014) CCQM P37.2: international comparison on Ag|AgCl electrodes for pH measurement. NPL Report. AS 89

Brewer, P J; Brown, R J C; Gonzaga, F B*; Hongyu, X*; Bing, W*; Spitzer, P*; Jakobsen, P T*; Chanpion, R*; Fisicaro, P*; Stoica, D*; Ohata, M*; Vyskocil, L*; Mariassy, M*; Pratt, K*; Monroy, M*; Reyes, A*; Kozlowski, W*; Kardash, E*; Ivanova, D*; Camoes, M F*; Lee, H*; Hwang, E* (2011) CCQM P37.1: preparation of Ag/AgCl electrodes for harned cell measurements. NPL Report. AS 60

Seitz, S*; Spitzer, P*; Brown, R J C (2010) CCQM-P111 study on traceable determination of practical salinity and mass fraction of major seawater components. Accred. Qual. Assur., 15 (1). pp. 9-17.

Spitzer, P*; Seitz, S*; Brown, R J C (2008) Consistency of practical salinity measurement traced to primary conductivity standards: EUROMET project 918. Accred. Qual. Assur., 13 (10). pp. 601-605.

Champion, R*; Brown, R J C; Ficicioglu, F*; Ferrarra, E*; Fisicaro, P*; Mariassy, M*; Spitzer, P* (2008) Protocol for evaluation and calibration of on-site pH measuring equipment. Technical Report.

Buck, R P*; Rondinini, S*; Covington, A K*; Baucke, F G K*; Brett, C M A*; Camoes, M F*; Milton, M J T; Mussini, T*; Naumann, R*; Pratt, K W*; Spitzer, P*; Wilson, G S* (2002) Measurement of pH. Definition, standards and procedures (IUPAC Recommendations 2002). Pure Appl. Chem., 74 (11). pp. 2169-2200.