1. Test Methods for pH of Soils
2. Chase, W. T., M. Notis, and A. D. Pelton. 2007. “New Eh-pH (Pourbaix) Diagrams of the Copper-Tin System.” In Use of Electrochemical Techniques in Metal Conservation. Interim Meeting of the ICOM-CC Metal Working Group, Vol. 3, Amsterdam, September 17–21, edited by Ch. Degrigny, R. van Langh, I. Joosten, B. Ankersmit, 15–21. Amsterdam: Rijksmuseum.