TY  - BOOK
AU  - R. A. Day
AU  -  A. L. Underwood, 
TI  - Quantitative analysis ed 4
SN  - 0-87692-181-0
U1  - 545 
PY  - 1981///
CY  - Newdelhi
PB  - prentice-hall of India Pvt Ltd
N1  - R. A. Day & A. L. Underwood: Quantitative analysis ed 4.  (4th Ed)  Newdelhi.  prentice-hall of India Pvt Ltd, 1981. 0-87692-181-0--(545DAY)
ER  -