TY  - BOOK
AU  - Szulc,Stefan
AU  - Stadler,J.
TI  - Statistical methods
U1  - 311 
PY  - 1975///
CY  - Oxford
PB  - Pergamon Press
KW  - Statistics
KW  - Correlation (Statistics)
KW  - Sampling (Statistics)
KW  - Average
N1  - Includes index
ER  -