1. Edwards, J.C., Friel, G.F. (1996) Comparative in-mine evaluation of carbon monoxide and smoke detectors, Bureau of Mines Report of Investigations 9622, 1-11
2. Edwards JC, Morrow GS (1994) Evaluation of the response of diffusion-type carbon monoxide sensors. Bureau of Mines Report of Investigations 9520, 1-8
3. Litton C, Perera IE (2015) Evaluation of sensors for mine fire detection using an atmospheric monitoring system. Min Eng 67(6):68–75
4. Mine Safety and Health Administration (MSHA) (2011) Fire suppression systems used to protect battery charging stations and other unattended electrically powered equipment in underground coal mines. Program Information Bulletin No P11–22
5. Mine Safety and Health Administration (MSHA) (2016) Title 30 Code of Regulations (30 CFR), Part 75.340