Ullman's encyclopedia of industrial chemistry - V.B4   
ed. by Barbara Elevers, Stephen Hawkins and Gail Schulz 
 - 5th 
 - Weinheim  VCH  1992 
 - xvii, 625p. 
<br/><br/><label>ISBN: </label>3527201343 
<br/><br/><label>Dewey Class. No.: </label>660.0321  / N85.B4 "R"