GIDNEY, R. D <br/><br/>
Man and machine:   What price / 
R. D.Gidney 
 - Canada  The Macmillan  c1975 
 - 59p.: 
<br/><br/><label>ISBN: </label>0770512569 
<br/><br/><label>Dewey Class. No.: </label>158.7 GID