Collision of tractor/cargo tank semitrailer and passenger vehicle and subsequent fire, Yonkers, New York, October 9, 1997 National Transportation Safety Board (NTSB) 1998 Öppna dokument
Report from workshop on effective handling of emergency calls : 8-9 March 2002 Rosersberg, Sweden Räddningsverket (SRV) 2002 Öppna dokument