[MathOuvrage]
Sampling techniques
/ Cochran, William G..
-Brisbane, Chichester, New York NY, Singapore, Toronto : John Wiley, 1977. - xvi, 428 p. ; 24 cm
[MathOuvrage]
Experimental designs
/ Cochran, William G. ; Cox, G.M..
-New York : John Wiley, 1950. - ix, 454
[MathOuvrage]
Statistical methods
/ Snedecor, George W. ; Cochran, William G..
-Ames : Iowa state university press, 1967. - xiv, 593