TY  - BOOK
AU  - Yule, G. Udny.
AU  - Kendall, M. G. 
TI  - An introduction to the theory of statistics
U1  - 311 23
PY  - 1950///
CY  - London
PB  - Charles griffin and co., 
KW  - Statistics
KW  - Theory of statistics
N1  - It includes index
ER  -