TY  - BOOK
AU  - Lewis-Beck, Michael S. [editor.]
TI  - Experimental design and methods
T2  - International Handbooks of Quantitative Applications in the Social Sciences; Vol. 3
SN  - 0803954298
U1  - 001.43 LEW 
PY  - 1993///
CY  - London
PB  - Sage Publications
KW  - Experimental research
ER  -