TY  - BOOK
AU  - Groves Robert M
TI  - Survey errors and survey costs
T2  - Wiley Series In Prbability And Mathematical Statistics
U1  - X:(B2817), M9/TD 
PY  - 1989///
CY  - New York
PB  - John Wiley        
KW  - Economic Statistics
N1  - Bibliography:p553-79
ER  -