Beveridge, W. I. B. <br/><br/>
The Art of scientific Investigation  W.I.B. Beveridge. 

 - 2nd ed.. 
 - Melbourne  William Heinemann  1953 
 - xii, 176 p.: ill. 24 cm. 
<br/><br/><label>Dewey Class. No.: </label>507.2  / B40A