Patent docuements    Bibliographic references ; Edssential and complementary elements 

 - Geneva  ISO         1977 
 - 29p  cm. 
 - International organization for standardization , 3388-1977(E) .
<br/><br/><label>Standard No.: </label>6,998 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>LIBRARY SCIENCE
<br/><br/><label>Dewey Class. No.: </label>2:97, qL7