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 1852 Standard on Selection, Care, and Maintenance of Open-Circuit Self-Contained Breathing Apparatus (SCBA), 2002 ed. https://www.nfpa.org/assets/files/AboutTheCodes/18 52/1852-F2007-ROP.pdf, (Std: Selection, Care, and Maintenance of Open-Circuit Self-Cont Breathing Aptus Self-Cont Breathing Aptus - Amer) {412 NFC}
NFPA 1851 Standard on Selection, Care, and Maintenance of Protective Ensembles for Structural Fire Fighting and Proximity Fire Fighting, 2008 ed. http://www.gearwash.com/pdf/NFPA-1851-2014-Edition -List-of-Changes.pdf, (Std: Selection, Care and Maint of Prot Ens for Stru Fr Fight and Proximity Fr Fight - Amer) {411 NFC}