TY  - BOOK
ED  - IASLIC                                                                                                                                                                                                                                                         . 
TI  - Information consolidation / 
U1  - 025.52 
PY  - 1961///
CY  - Kolkata : 
PB  - IASLIC , 
KW  - INFORMATION SERVICE
N1  - Includes index
ER  -