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Youngen, G.K.: Citation patterns to traditional and electronic preprints in the published literature (1998) 8.57

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Field: Astronomie

Tenopir, C.; King, D.W.; Boyce, P.; Grayson, M.; Paulson, K.-L.: Relying an electronic journals : reading patterns of astronomers (2005) 8.57

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Field: Astronomie