@article{albert2000experimental, title={An experimental study of the fluctuations in granular drag}, author={Albert, Istv{\'a}n and Tegzes, P{\'a}l and Albert, R{\'e}ka and Sample, John and Barab{\'a}si, Albert-L{\'a}szl{\'o} and Vicsek, Tam{\'a}s and Kahng, B and Schiffer, Peter}, journal={MRS Proceedings}, volume={627}, pages={BB7--7}, year={2000}, publisher={Cambridge University Press} }