Informaiton units in small plants 

 - New  York United Naitons USA      1973 
 - "xi, 48p."  cm. 
<br/><br/><label>Standard No.: </label>107568 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library Sicence
<br/><br/><label>Dewey Class. No.: </label>"242:2, L3/UN"