Foran, J.A. <br/><br/>
Regulating toxic substances in surface water 
Jeffery A. Foran. 
 - 19th. ed.. 
 - London  Lewis Publishers  1993 
 - xvi,171p. 
<br/><br/><label>ISBN: </label>0-87371-498-9. 
<br/><br/><label>Dewey Class. No.: </label>363.73946  / F62R