TY  - BOOK
AU  - Langley,Russell
TI  - Practical statistics simply explained
SN  - 0486227294 (pbk)
U1  - 519.5 
PY  - 1971///, c1970]
CY  - New York
PB  - Dover Publications
KW  - Statistics
KW  - Probabilities
KW  - NUST
N1  - 1968 ed. has title: Practical statistics for non-mathematical people
UR  - http://www.loc.gov/catdir/description/dover032/77145771.html
ER  -