Heath, O.V.S. <br/><br/>
Investigation by Experiment 

 - London  Edward Arnold (Publishers) Ltd  1970 
 - 73 
<br/><br/><label>ISBN: </label>0713122900 
<br/><br/><label>Publisher. No.: </label> Bangalore Book Bureau 
<br/><br/><label>Subjects--Personal Names: </label> General 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pure Science