[Hygienic aspects of the current state and prospects for the development of agricultural water supplies].
D000383:Agriculture / Q000592:standards*; D012424:Rural Population; D014586:USSR; D014881:Water Supply / Q000592:standards*
Gigienicheskie aspekty sostoianiia i perspektivy razvitiia sel'skokhoziaĭstvennogo vodosnabzheniia.