Tazieff, Haroun <br/><br/>
Recent activity at Nyiragongo and lava-lake occurrences 

 - Helsinki  Geological Society of Finland  1985 
 - pp. 11-19 
<br/><br/><label>Subjects--Topical Terms: </label><br/>VOLCANES
<br/><br/><label>Subjects--Geographic Terms: </label><br/>FINLANDIA