TY  - BOOK
AU  - Tullis,Tom
AU  - Albert,Bill
TI  - Measuring the user experience: collecting, analyzing, and presenting usability metrics 
SN  - 9780123735584
U1  - 004.019 
PY  - 2008///
CY  - Amsterdam
PB  - Morgan Kaufmann
KW  - User interfaces
KW  - Measurement
KW  - Statistics
KW  - Usability
N1  - Includes index
ER  -