English, W.N. <br/><br/>
Grid ionization chamber measurements of electron drift velocities in gas mixtures. 

 - Chalk River :  AECL,  1953. 
 - v. 31 p. 768-797 
<br/><br/><label>ISSN: </label>0067-0367 
<br/><br/><label>Standard No.: </label>AECL-57