Arnold, K <br/><br/>
[Forced ventilation in tunelling and tunnel building].  [electronic resource] 

 -  Zentralblatt fur Arbeitsmedizin und Arbeitsschutz  Apr 1967 
 - 97-100 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0044-4049 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Explosions<br/>Gas Poisoning<br/>Mining<br/>Ventilation