Khanna, J K. <br/><br/>
Colon classification / 
by J K Khanna and D D Kapil. 
 - 1st ed. 
 - New Delhi :  ESS ESS publications,  1982. 
 - 304 p. 
<br/><br/><label>Dewey Class. No.: </label>025.43  / KHA.C