Yazar
katherine a margolis
1 cilt bulundu.
Cilt sonuçları
When do you take refuge?
M. J. Brnich, Carin L. Kosmoski, Patricia Lenart, Launa Mallet, Katherine A. Margolis, Kelly L. McNelis · Department of Health and Human Services, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, Office of Mine Safety and Health Research
40 sayfa · 2011
Mine explosions / Safety measures / Methods / Mining / Mine safety