Zink/Zink 

 - Delhi  United India Periodicals Private Ltd  1962 
 - 253 
 -  3 .
<br/><br/> Hard 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science
<br/><br/><label>Dewey Class. No.: </label>546.01 ZIN'N62