U.S. Department of Health and Human Services (HHS), Centers for Disease Control and Prevention (CDC), National Institute for Occupational Safety and Health (NIOSH),
NIOSH HETA No. 2006-0155-3072: 1-40
2009,
Nelson DA, Charbonnel S, Curran AR, Marttila EA, Fiala D, Mason PA, Ziriax JM