Newson, M. D. (1970). Studies in chemical and mechanical erosion by streams in limestone terrains. University of Bristol.
Lua i Stíl Chicago (17ú heag.)Newson, Malcolm D. Studies in Chemical and Mechanical Erosion by Streams in Limestone Terrains. England: University of Bristol, 1970.
Lua MLA (8ú heag.)Newson, Malcolm D. Studies in Chemical and Mechanical Erosion by Streams in Limestone Terrains. University of Bristol, 1970.
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