@MANUAL{amutils,
  TITLE =        "Am-utils User Manual",
  AUTHOR =       "J. S. Pendry and N. Williams and E. Zadok",
  YEAR =         "2003",
  MONTH =        "July",
  NOTE =         "\url{www.am-utils.org}",
  EDITION =      "6.1b3",
  KEY =          "amutils",
}