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Stang, Martina, Peter G. L. Klinkhamer, Nickolas M. Waser, Ingo Stang, and Eddy van der Meijden. Size-specific Interaction Patterns and Size Matching in a Plant–pollinator Interaction Web. Oxford University Press, 2009.

Stang, Martina, et al. Size-specific Interaction Patterns and Size Matching in a Plant–pollinator Interaction Web. Oxford University Press, 2009.