Murphy, John Stewar <br/><br/>
How they were built-dams / 
John Stewar Murphy 
 - London :  London OXFORD UNIVERSITY PRESS ,  1963 
 - 32 p .:  25 cm . 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science
<br/><br/><label>Dewey Class. No.: </label>500  / MUR 1963