Pocket Safety Guide :  permit to work / 

 - Edinburgh :  Witherby Seamanship International Ltd. ,  2010. 
 - 213 p. :  ill. ;  18 cm 
 - Witherby Seamanship Pocket Book .
<br/><br/><label>ISBN: </label>9781905331864  £ 10.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Shipping --Safety measures<br/>Licenses
<br/><br/><label>Dewey Class. No.: </label>363.11962388  / P4228