TY  - BOOK
AU  - Wetherill,G.Barrie
AU  - Brown,Don W.
TI  - Statistical process control : theory and practice
SN  - 0412357003
U1  - TS/156.8 
PY  - 1991///
CY  - London
PB  - Chapman and Hall
KW  - Process control -- Statistical methods.
KW  - Quality control -- Statistical methods.
ER  -