共 50 条
- [41] CHARACTERIZING NONPOINT SOURCES OF WATER-POLLUTION TRANSACTIONS-AMERICAN GEOPHYSICAL UNION, 1974, 55 (04): : 252 - 252
- [42] CHARACTERIZING NONPOINT SOURCES OF WATER-POLLUTION TRANSACTIONS-AMERICAN GEOPHYSICAL UNION, 1973, 54 (11): : 1087 - 1087
- [49] NONPOINT SOURCES AND PLANNING FOR WATER-POLLUTION CONTROL JOURNAL WATER POLLUTION CONTROL FEDERATION, 1977, 49 (01): : 15 - 23