References
- Sen , P. K. 1988 . “ Asymptotics in finite population sampling ” . In Handbook of Statistics 6. Sampling Edited by: Krishnaiah , P. R. and Rao , C. R. pp. 291 – 331 . North-Holland : Amsterdam .
- Shaked , M. and Shanthikumar , J. G. 1994 . Stochastic Orders and Their Applications San Diego : Academic .
- Thompson , S. K. 1992 . Sampling New York : Wiley .