International directory of occupational safety and health services a nd institutions.   

 - Geneva,     [1969] 
 - v, 515 p. ;    24 cm. 
 - Occupational safety and health series ;   no.16 .
<br/><br/>  English, French, or Spanish. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Industrial safety --Directories.------<br/>Industrial hygiene --Directories.------