[The ecological situation in recreational areas of the urbanized regions of the middle Volga valley and Cis-Urals].
Kulikov
G V
GV
D004463:Ecology; D004787:Environmental Pollution; D006294:Health Resorts; D011998:Recreation; D012426:Russia; D014586:USSR; D014507:Urbanization
Ekologicheskaia obstanovka v zonakh rekreatsii urbanizirovannykh regionov Srednego Povolzh'a i Predural'ia.