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 1582 Standard on Comprehensive Occupational Medical Program for Fire Departments, 2007 ed. www.woema.org/documents/bogucki.ppt, (Std: Comprehensive Occupational Med Prog for Fr Dept - Amer) {403 NFC}