Witherby Seamanship International <br/><br/>
Regulatory primer for mates & masters    covering current & new regulations to 1 September 2011/ Witherby Seamanship international.     

 - 2nd ed. 
 -  Livingston : Witherby Seamanship International  2011 
 - iii, 41p. : ill. 18p. 
<br/><br/><label>ISBN: </label>9781856095150 
<br/><br/><label>LC Class. No.: </label>VK541 .W774 2011 
<br/><br/><label>Dewey Class. No.: </label>VK541 .W774 2011 
<br/><br/><label>National Library of Medicine Call No.: </label>VK541 .W774 2011