TY  - BOOK
AU  - Johnson Richard A
AU  -  Bhattacharyya Gouri K
TI  - Statistics:  Principles and methods   
SN  - 9780470505779
U1  - B28, P6; Q1 
PY  - 2011///
CY  - Hoboken
PB  - John Wiley         
KW  - Economics
ER  -