TY  - BOOK
AU  - Pande J K
AU  - "Uttar Pradesh, Economics And Statistics (Dept.)"
ED  - "Uttar Pradesh, Economics And Statistics (Dept.)"
TI  - On the choice of the reference period by
T2  - Its Bulletin.61
U1  - "X.252.N6s, GD" 
CY  - Allahabad
PB  - The Author India     
ER  -