[Hygienic aspects of the design, construction and operation of group agricultural water supply systems].
D000383:Agriculture; D007623:Kazakhstan; D014867:Water / Q000032:analysis; D014881:Water Supply
D014867:Water
Gigienicheskie aspekty proektirovaniia, stroitel'stva i ékspluatatsii gruppovykh sistem sel'skokhoziaistvennykh vodoprovodov.