Krippendorff, Klaus <br/><br/>
Content analysis:an introduction to lts methodology 

 - London:  Sage publication,  1980. 
 - 189p.  21cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Knowledge, the book, systems, computer science
<br/><br/><label>Dewey Class. No.: </label>001.51  / KRI