共 22 条
- [1] AUB JC, 1926, LEAD POISONING, P242
- [2] Carpenter TM, 1937, SCI MON, V45, P5
- [4] COWDRY EV, 1933, ARTERIOSCLEROSIS, P595
- [5] COVARIANCE USED TO ANALYZE THE RELATION BETWEEN CORN YIELD AND ACREAGE [J]. JOURNAL OF FARM ECONOMICS, 1936, 18 (03): : 597 - 607
- [6] DONALDSON HH, 1924, WISTAR I, P328
- [7] DUFF, 1932, PHYS STUDENTS SCI EN, P8
- [8] EMERSON H, 1932, ALCOHOL MAN
- [9] Fisher R.A., 1934, STAT METHODS RES WOR, V5th
- [10] GREENE EC, 1935, AM PHILOS, P178