00356nam a2200109Ia 4500082002100000100001700021245012300038260004800161300002700209500000500236700000500241 a519.537bD249.TO aDavid, F. N. aTables of the ordinates and probability integral of the distribution of the correlation coefficient in small samplesb aCambridgebCambridge University Pressc1954 axxxviii, 55p. Diagrams a a