Code of safe working practices for the merchant seamen / 
Department of Trade. 
 - London :  H.M.S.O.,  1978. 
 - viii,189p. 
<br/><br/><label>ISBN: </label>0115120319 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Merchant marine--Safety measures--Standards.--Great Britain