Guckenberger, R. (1998). Conventional imaging modes. In R. C. J.P., A. Engel, J. Frommer, H. Gaub, A. Gerwirth, R. Guckenberger, et al. (Eds.), Procedures in Scanning Probe Microscopies (pp. 52-54). Chichester-New York: John Wiley & Sons.