Ryan, P.W.S. <br/><br/>
Engineering administration 

 - Angus and Robertson Ltd  London  1959 
 - 78p.  Table 
<br/><br/><label>Nat. Bib. No.: </label>508 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering
<br/><br/><label>Universal Decimal Class. No.: </label>62.004  / RYA