Gas quality :  proceedings of the Congress of "Gas Quality-Specification... 22-25 April 1986 / 
edited by G. J. van Rossum in collaboration with : G. S. Cribb ... [et al.] 
 - Amsterdam :  Elsevier North-Holland,  1986 
 - 874 p. :  ill. ;  25 cm. 
<br/><br/><label>ISBN: </label>0444426280 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gas--Testing--Congresses<br/>Gas, Natural--Congresses