Kloos, E. J. <br/><br/>
Gas masks for respiratory protection against a mines / 
by E. J. Kloos, L. Spinetti and L. D. Raymond 
 - Washington, D. C. :  United States Department of the interior,  1966 
 - 5 p. ;  29 cm. 
 - Information circular ;  8296 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Lungs--Dust diseases<br/>Coal miners--Diseases<br/>Respiratory organs--Diseases
<br/><br/><label>Dewey Class. No.: </label>616.99424075