Nonconventional scientific and technical information systems in current use 

 - New Delhi  INational Science foundation India      1966 
<br/><br/> DSK Collection 
<br/><br/><label>Standard No.: </label>90456 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>A:(D65,8(B)), K6