TY  - BOOK
AU  - Langley,Russell
TI  - Practical statistics simply explained
SN  - 0486227294
PY  - 1968///
CY  - New York
PB  - Dover Pub. Inc.
KW  - Statistics
KW  - Probabilities
N1  - 1968 ed. has title: Practical statistics for non-mathematical people
ER  -