TY  - BOOK
AU  - Massawe,Antipas
TI  - Mine ventilation manual: lecture notes and tutorials 
SN  - 9783838373102
U1  - 615.836 22
PY  - 2010///
CY  - Saarbrucken, Germany
PB  - LAP Lambert Academic Publishing
KW  - Respirators
ER  -