Harrison, Daniel J. <br/><br/>
Feasibility of CO2 monitoring to assess air quality in mines using diesel equipment 
Harrison, Daniel J. 
 - Washington  Bureau of mines  1988 
<br/><br/><label>Subjects--Topical Terms: </label><br/>VENTILACION EN LA MINA
<br/><br/><label>Universal Decimal Class. No.: </label>622.4