TY  - BOOK
AU  - Sehgal, R. L. 
TI  - Number building in Dewey Decimal Classification, Universal Decimal Classification, and Colon Classification
SN  - 8170001536
U1  - 025.435 23
PY  - 1993///
CY  - New Delhi : 
PB  - Ess Ess Publications, 
KW  - Colon Classification
KW  - Dewey Decimal Classification
ER  -