共 50 条
- [43] STUDY AND DEVELOPMENT OF COARSE WATER-TREATMENT TECHNOLOGY IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENII KHIMIYA I KHIMICHESKAYA TEKHNOLOGIYA, 1988, 31 (02): : 59 - 62
- [50] AN EVALUATION OF NITROGENOUS ORGANIC-COMPOUNDS IN WATER-TREATMENT PLANTS NITROGEN POLLUTION OF WATER, 1988, 6 : 253 - 263