TY  - BOOK
AU  - KAKKAR N K
AU  -  VOHRA N D
TI  - Statistics :  An introductory analysis.   
U1  - B28, L8 
PY  - 1978///
CY  - Patna
PB  - Jnanada Prakashan         
N1  - Appendix :A-1
ER  -