TY  - BOOK
AU  - Snedecor,George W.
AU  -  William, Cochran G.
TI  - Statistical methods : : applied to experiments in agriculture and biology 
U1  - 519.5 23
PY  - 1956/// [Fourth reprinting 1962]
CY  - U.S. A
PB  - The lowa state University press
KW  - Statistics
N1  - Includes index
ER  -