TY  - BOOK
AU  - Amsden,Robert T.
AU  - Butler,Howard E.
AU  - Amsden,Davida M.
TI  - SPC Simplified: practical steps to quality 
SN  - 052791617X
PY  - 1989///
CY  - New York
PB  - Quality Resources
KW  - Quality control
KW  - Statistical methods
N1  - Includes indexes
ER  -