00308nam a2200109Ia 4500082002000000100003500020245007400055260002900129300000600158500000500164700002900169  a510.21bF535.ST  aFisher, R. A. and Yates, Frank  aStatistical tables for biological agricultural and medical researchb  aEdinburghbOliver & Boyd  a   a  aYates, Frank ; jt. auth.