Crowhurst, D. <br/><br/>
The measurement of methane and other gases from the ground / 
D. Crowhurst and C. J. Manchester. 
 - London :  Construction Industry Research and Information Association,  c1993. 
 - 98 p. :  ill. 
<br/><br/>Includes bibliographical references (p. 94-96.) 
<br/><br/><label>ISBN: </label>0860173720 
<br/><br/><label>ISSN: </label>0305408X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Methane--Measurement.<br/>Gases--Measurement<br/>Construction industry--Safety measures.