Cochran, William Gemmell,  1909-1980, <br/><br/>
Planning and analysis of observational studies / 
William g. cochran ; ed. by lincoln e. moses and frederick mosteller 
 - 145 páginas 
 - Wiley series in probability and mathematical statistics, issn 0271-635., applied probability and statistics .
<br/><br/><label>ISBN: </label>0471887196 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Diseño experimental<br/>Análisis de varianza
<br/><br/><label>LC Class. No.: </label>QA279  / C623