The season dynamics in the fresh-water snail (Lymnaea stagnalis L.) infection the generations of trematodes (Trematoda) in the fish ponds in the "Stawy Milickie" reservation area
RU
Sezonnaja dinamika infekcii generacijami trematod (Trematoda), (Lymnaea stagnalis L.) v prudakh na territorii rezervata "Stavy Milickie"