Ycas, M  <br/><br/>
Biological code  

 - Amsterdam:   North-Holland Publishing Company,   1969 
 - 360p.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biological 
<br/><br/><label>Subjects--Index Terms: </label>Science  
<br/><br/><label>Universal Decimal Class. No.: </label>576.312.32  / K9