Christensen,  E.Hohwu <br/><br/>
Studies on the application of physiology to working conditions in th e sub-tropical country/    
by E. Hohwu Christensen. 
 - Geneva :   International Labour  Organisation,   1964. 
 - 49 p. ;    24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physiology--Sub-tropical countries.------<br/>Working conditions --Sub-tropical countries.------