TY  - BOOK
AU  - Langley,Russell
TI  - Practical statistics simply explained
SN  - 0486227294 (pbk)
AV  - HA29 .L266 1971c
U1  - 519.5 
PY  - 1971///, c1970]
CY  - New York
PB  - Dover Publications
KW  - Statistics
KW  - Local
KW  - Probabilities
N1  - 1968 ed. has title: Practical statistics for non-mathematical people
ER  -