Stratmann, M., Leng, A., Fürbeth, W., Streckel, H., Gehmecker, H., & Große-Brinkhaus, K. H. (1996). The Scanning Kelvinprobe; a new technique for the in situ analysis of the delamination of organic coatings. Prog. Org. Coat., 27: 1-4, pp. 573-588.