R'99 Recovery Recycling Re-Integration 4th World congress with Company Displays February 2-5,1999 
Editors Dr.Anis barrage, Dr Xaver Edelmann 
 - Switzerland  EMPA  1999 
 - 56p. 
<br/><br/> P.B 
<br/><br/><label>Dewey Class. No.: </label>628 BAR