共 15 条
- [1] ALLEN EDWARD S., 1932, IOWA STATE COLL JOUR SCI, V6, P251
- [2] *AM PUBL HLTH ASS, 1936, STAND METH WAT ANAL
- [3] American Public Health Association, 1955, STAND METH EX WAT SE
- [5] DallaValle JM, 1941, PUBLIC HEALTH REP, V56, P229, DOI 10.2307/4583605
- [6] GORDON RD, 1938, CENTRALBL BAKT 2, V99, P318
- [7] Greenwood M, 1917, J HYG-CAMBRIDGE, V16, P36, DOI 10.1017/S0022172400006501
- [8] HALVORSON HO, 1933, QUANTITATIVE BACTERI
- [9] HOSKINS J. K., 1934, Public Health Reports, V49, P393, DOI 10.2307/4581120
- [10] KENNEY JF, 1951, MATH STATISTICS, V2, P370