Humphrys  ,  L.G. <br/><br/>
Your body at work. illustrated byT.H. Stubley. 

 - London   Basil Blackwell  1963 
<br/><br/><label>ISBN: </label>978 0 631 06510 4 
<br/><br/><label>Dewey Class. No.: </label>J 612 HUM