共 68 条
[12]
Cox H.E, 1925, ANALYST, V50, P3
[13]
DURHAM WH, 1971, 643 US DEP INT GEOL
[14]
Ehrlich H.L., 1963, ECON GEOL, V58, P991
[15]
EHRLICH HL, 1964, ECON GEOL, V59, P1306, DOI DOI 10.2113/GSECONGEO.59.7.1306
[16]
FAIRHALL LT, 1941, J NEW ENG WATER WORK, V55, P400
[17]
FREAR OEH, 1951, AGRICULTURAL CHEMIST, V2, P532
[20]
GILDERHUS PA, 1966, T AM FISH SOC, V95, P289, DOI 10.1577/1548-8659(1966)95[289:SEOSCO]2.0.CO