National Fire Protection Association, Illustrated Dictionary of Fire Service Terms, Jones & Bartlett Publishers, MA. USA 2006. https://books.google.com.kw/books?id=W0WIRa3Gl4QC& printsec=frontcover&source=gbs_ge_summary_r&cad=0# v=onepage&q&f=false, (Fr Srvc - Amer) {141}
NFPA 472 Standard for Competence of Responders to Hazardous Materials/ Weapons of Mass Destruction Incidents, 2008 ed. http://www.dps.state.ak.us/afsc/docs/Certification /HazMatAwarenessSkillSheets.pdf, (Std: Competence of Resp to Haz Mtrl/ Weapons of Mass Destruction Incid - Amer) {318 NFC}