Kearon, J. <br/><br/>
Feasibility of a periodically unmanned bridge / 
J. Kearon. 
 - Liverpool :  Liverpool Polytechnic,  1982. 
 - [100] p. ;  30 cm +  spiral binder. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Merchant marine--Watch duty.<br/>Navigation
<br/><br/><label>Dewey Class. No.: </label>623.89