1. We encourage you to delve into the early papers on moiré fringes. Search the literature for those by Pashley, Stowell, et al. on Au islands on mica.
2. The books by Hirsch et al. (1977), Horiuchi (1994), and De Graef (2003) are useful references. That by Spence (2003) is essential follow-up reading (and described in Chapter 1).