CSIR wnnr directory-gids:   Scientific and technical periodicals published in South Africa 

 - South Africa:   Council for Scientific and Industrial Research,   1967 
 - 62p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Directory
<br/><br/><label>Universal Decimal Class. No.: </label>R 05:5/6(680)