Studies of the post-glacial history of British vegetation. 7. Lake sediments: pollen diagrams from the bottom deposits of the north basin of Windermere / by Winifred Pennington (Mrs T. G. Tutin). — London : Cambridge University Press for the Royal Society, 1947. — С. 137―175, [1] л. іл. — (Philosophical transactions of the Royal Society of London. Biological sciences ; vol. 233, № 596) - Tutin, Winifred (Philosophical transactions of the Royal Society of London, 1947)