Sachdeva, Mohinder Singh . Colon classification : theory and practice / Mohinder Singh Sachdeva. - 2nd.ed / . - New Delhi : Sterling Publishers , 1980. - x,262p. : ill. ; 21cm . Includes index ISBN: Rs. 350.00 (Pbk) Subjects--Index Terms: CLASSIFICATION,COLON Dewey Class. No.: 025.435 / SIN/C