Research report 1990. 

 - [s.l.] :    [s.n.],    1990. 
 - 74 p. :    ill. ;    30 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Technology -- Research.
<br/><br/><label>Dewey Class. No.: </label>PF 607.2 PAP