TY  - BOOK
AU  - Johnson, Robert E.
AU  - Morris, Doris N.
TI  - GUIDE TO ELEMENTARY STATISTICAL FORMULAS
U1  - 311.23 
PY  - 1956///
CY  - N. Y.
PB  - Mcgraw-Hill
KW  - Mathematics. Formulae
KW  - Statistics
ER  -