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. 2013 Feb 6;8(2):e56167. doi: 10.1371/journal.pone.0056167

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© 2013 Schulz et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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Meshed axiomatic 3D models of tooth enamel surfaces (primary surface) of the second upper molar (160×160 µm) of animals feeding on grass (UZH-G8), grass/oats (UZH-GO4), lucerne/oats (UZH-LO6), or lucerne (UZH-L2). A deeper red indicates a top of a plateau or hill, whereas a green towards dark blue indicates deeper areas.