TY  - BOOK
AU  - Kemp K W
TI  - Average run length of the cummulative sum chart when a V-mask is used
U1  - 000SB:658.562 
KW  - Average Run
KW  - Cumulative sun chart
KW  - V-Mask
N1  - photo print from JRSS Ser.B, V.23, 1961 ; p.149-153
ER  -