TY  - BOOK
AU  - Dobben de Bruyn,C.S.
TI  - Cumulative sum tests: theory and practice 
SN  - 0852640854
PY  - 1968///
CY  - London
PB  - Griffin
KW  - Quality control
KW  - Mathematical statistics
N1  - Bibliography : p. 77-80
ER  -