@article {brignall:wreath-product:,
    AUTHOR = {Brignall, Robert},
     TITLE = {Wreath products of permutation classes},
   JOURNAL = {Electron. J. Combin.},
  FJOURNAL = {Electronic Journal of Combinatorics},
    VOLUME = {14},
      YEAR = {2007},
    NUMBER = {1},
     PAGES = {Research Paper 46, 15 pp. (electronic)},
      ISSN = {1077-8926},
   MRCLASS = {05A05 (06A07)},
  MRNUMBER = {MR2320602 (2008d:05001)}
}