1. Puyol M, Villuendas F, Domínguez C, Cadarso V, Llobera A, Salinas I, Garcés I, Alonso J (2005) In: Orellana G, Moreno-Bondi MC (eds) Frontiers in chemical sensors: novel principles and techniques. Springer series in chemical sensors and biosensors, vol 3. Springer, Berlin Heidelberg New York, pp 1–44
2. Bühlmann P, Pretsch E, Bakker E (1998) Chem Rev 98:1593–1687
3. Bakker E, Bühlmann P, Pretsch E (1997) Chem Rev 97:3083–3132
4. Green FJ (1990) The Sigma-Aldrich handbook of stains, dyes and indicators. Sigma-Aldrich Corporation, Milwaukee
5. Citterio D, Kawada T, Yagi J, Ishigaki T, Hisamoto H, Sasaki S-I, Suzuki K (2003) Anal Chim Acta 482:19–28