Code of safety for diving systems / 

 - London:   International Maritime Organization  1985. 
 - 20 p. 
<br/><br/><label>ISBN: </label>9280111916 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Deep Diving--Safety Regulations
<br/><br/><label>Dewey Class. No.: </label>344.047  / I339