TY  - BOOK
AU  - Keppel,Geoffrey
TI  - Design and analysis: a researchers handbook 
SN  - 0132007754
PY  - 1991///
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall
KW  - Social sciences
KW  - Statistical methods
KW  - Factorial experiment designs
KW  - Research
ER  -