Heterogeneous catalysis:   Proceeding of the five international symposium on heterogeneous catalysis 

 - Sofia:   Publishing House of the Bulgarian Academy of Science,   1983 
 - 522p. 
<br/><br/> Part 1 (Varna October 3-6, 1983)<br/>Part 1 (Varna October 2-5, 1979)<br/>Part 2 (Varna October 2-5, 1979)<br/>Part 2 (Varna October 3-6, 1983) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Management
<br/><br/><label>Subjects--Index Terms: </label>Chemical 
<br/><br/><label>Universal Decimal Class. No.: </label>66.097.1(082.2)  / L9.1