TY  - BOOK
AU  -  Cochran William g., Moses Lincoln E., Mosteller Frederick
TI  - Planning and analysis of observational studies
SN  - 0471887196
U1  - SERIAL 
PY  - 1983///
CY  - Newyork
PB  - John Wiley & Sons
KW  - Periodicals
KW  - Biometry
KW  - Experimental Design
N2  -  Experimental Design, Biometry, Periodicals
ER  -