TY  - BOOK
AU  - Dietrich,Frank H.
AU  - Shafer,Nancy J.
TI  - Business statistics: an inferential approach 
SN  - 0895170531 (cased)
PY  - 1984///
CY  - San Francisco
PB  - Dellen Publishing
KW  - Commercial statistics
N1  - Includes bibliographical references; Includes index
ER  -