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totalt 2 träffar
Let's Find Out about Fall
inbunden,
2012,
Engelska,
ISBN 9781258446130
""Let's Find Out About Fall"" is a children's book written by Martha Shapp that explores the season of autumn. The book is designed to help young readers understand the changes …
Ecological Effects of Water-level Fluctuations in Lakes
inbunden,
2008,
Engelska,
ISBN 9781402091919
Most aquatic ecosystems have variable water levels. These water-level fluctuations (WLF) have multiple effects on the organisms above and below the waterline. Natural WLF patterns …