Ergonomics and physical environmental factors;   proceedings of a s ymposium organised by the International Labour Office and the Ente Nazi onale Prevenzione Infortuni in Rome, Monte Porzio, 16-21 September 1968 . 

 - Geneva :   International Labour Organization,   1970. 
 - v, 427 p. :    ill. ;    24 cm. 
 - Occupational safety and health series ;   no. 21 .
<br/><br/>  English, French, German or Italian; summaries in English, French and /or German. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Industrial hygiene --Congresses.------Congresses.<br/>Human engineering --Congresses.------Congresses.