Wan, Zhe-Xian <br/><br/>
Quaternary codes 
by Zhe-Xian, Wan 
 - Singapore  World Scientific  1997 
 - xi, 242p.; ill.;  23cm.- 
 - series on applied mathematics;  no.3 .
<br/><br/><label>Dewey Class. No.: </label>003  / WAN