TY  - BOOK
AU  - RIGGLEMAN,John R.
AU  - 
TI  - Business statistics. 
U1  - 650/RIB 
PY  - 0000///McGraw-Hill.
PY  - 1951///
CY  - New York. 
KW  - Business - Statistics.
KW  - Business
N1  - Includes index and bibliography.
ER  -