Barcelona, M. J. <br/><br/>
Practical guide for ground-water sampling   
by M. J. Barcelona, J. P. Gibb, J. A. Helfrich. 
 - Jodhpur  Scientific Pub.  1988 
 - xvi, 156p 
<br/><br/><label>Dewey Class. No.: </label>551.490151952  / N88