TY - BOOK AU - Snedecor,George Waddel TI - Statistical methods applied to experiments in agriculture and biology AV - HA29 SNE 1956 U1 - 311.2 PY - 1956/// CY - Ames PB - Iowa State College Press KW - Statistics KW - Agriculture KW - Biology N1 - includes bib.ref. and index ER -