TY  - DATA
AU  - Singh M P
TI  - Some aspects of estimation in sampling from finite populations
U1  - 000SA.5 
CY  - 196-
KW  - Statistical quality control
UR  - http://192.168.143.32:8080/jspui/bitstream/10263/4172/1/TH5.CV01.pdf
ER  -