TY  - GEN
AU  - 
AU  - COMAROMI, John P.
TI  - Exercises in the 20th Edition of Devey Decimal Classification
U1  - 025.431/COM 
PY  - 1990///
CY  - N.DELHI
PB  - Sterling Publ. Pri. Ltd.
N1  - CLASSIFICATION - DDC
ER  -