TY  - BOOK
AU  - Cochran,William Gemmell,1909-
AU  - Moses,Lincoln E
AU  - Mosteller,Frederick,1916-
TI  - Planning and analysis of observational studies
SN  - 0471887196
PY  - 1983///
CY  - New York
PB  - Wiley
KW  -  Experimental design
KW  -  Analysis of variance
N1  - Includes bibliographies and index
ER  -