Tiratsoo, E. N.  1915- <br/><br/>
Natural gas / 
by E.N. Tiratsoo. 
 - 3rd ed. 
 - Houston, Tex. :  Gulf Publishing Co.,  1979. 
 - xvi, 360 p. :  ill. ;  25 cm. 
<br/><br/> Includes index. 
<br/><br/>References : p. 352-354. 
<br/><br/><label>ISBN: </label>0872015785 
<br/><br/><label>LCCN: </label>79-92137 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gas, Natural.