File:Federle, W., Brainerd, E.L. et al. 2001. Biomechanics of the movable pretarsal adhesive organ (10.1073@pnas.111139298).pdf

Summary
Federle, W., Brainerd, E.L., McMahon, T.A., Holldobler, B. 2001. Biomechanics of the movable pretarsal adhesive organ in ants and bees. Proceedings of the National Academy of Sciences 98, 6215–6220.