TY  - BOOK
AU  - Johnson,Robert R.
TI  - Elementary statistics
SN  - 0878721029
U1  - 310 JOH 23
PY  - 1976///
CY  - North Scituate, Mass.
PB  - Duxbury Press
KW  - Statistics
N1  - Includes bibliographies and index
ER  -