Rational Use of Water and its Treatment in the Chemical Industry 

 - New York :  UN  1991 
 - 146  II 
<br/><br/><label>Subjects--Topical Terms: </label><br/>WIRTSCHAFTSBEREICHE(15)<br/>Branchenstudien(15x5)<br/>Bergbau, Erdöl, Erdgas, Rohstoffe (15x53)
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Europa
<br/><br/><label>Dewey Class. No.: </label>27.859