共 50 条
- [21] ECOLOGY OF WATER-POLLUTION IN PASIG RIVER .1. PHYSICOCHEMICAL WATER-QUALITY PARAMETERS KALIKASAN-THE PHILIPPINE JOURNAL OF BIOLOGY, 1980, 9 (01): : 1 - 18
- [26] MAINTAINING DRINKING-WATER QUALITY DURING CONSUMPTION-EXPERIMENTS ON DRINKING-WATER CONSERVATION ZEITSCHRIFT FUR VERSUCHSTIERKUNDE, 1977, 19 (03): : 147 - 154
- [27] ORGANIC MICRO-POLLUTION OF DRINKING-WATER REVUE D EPIDEMIOLOGIE ET DE SANTE PUBLIQUE, 1978, 26 (06): : 441 - 450