Classification by broad economic categories defined in terms of SITC .    rev. 3. 

 - New York :    United Nations,    1989. 
 - iii, 86 p. ;    28 cm. 
 - Statistical papers.    Series M ;    no. 53, rev. 3 .
<br/><br/><label>ISBN: </label>9211613027 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Commercial products -- Classification.
<br/><br/><label>Dewey Class. No.: </label>382.012