Authors: Vroom, JM De Grauw, KJ Gerritsen, HC Bradshaw, DJ Marsh, PD Watson, GK Birmingham, JJ Allison, C

Citation: Jm. Vroom et al., Depth penetration and detection of pH gradients in biofilms by two-photon excitation microscopy, APPL ENVIR, 65(8), 1999, pp. 3502-3511