Powell, A H <br/><br/>
Environmental aspects of the use of sulphur hexafluoride   
by A H Powell 
 - UK  ERA Technology Ltd  2002 
<br/><br/> ERA Report 2002 
<br/><br/><label>ISBN: </label>0 7008 0752 7 
<br/><br/><label>Dewey Class. No.: </label>628.42  / P02