CHILTON, J. E.; GOODMAN, Gerrit V. R. a TAYLOR, Charles D. Guidelines for the control and monitoring of methane gas on continuous mining operations. Information circular. Pittsburgh, PA: Dept. of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, Office of Mine Safety and Health Research, [2010]. ISBN 9781615839537. Dostupné také z: https://proxy.k.utb.cz/login?url=https://app.knovel.com/hotlink/toc/id:kpGCMMGCM1/guidelines-for-the?kpromoter=marc.