TY  - BOOK
AU  - Zinkgraf, Stephen A.
TI  - Six sigma: the first 90 days
SN  - 9780131687400
PY  - 2006///
CY  - Upper Saddle River, NJ
PB  - Prentice Hall
KW  - Six sigma (Quality control standard)
N1  - Includes index
ER  -