Effects of non-Gaussian Brownian motion on direct force optical tweezers measurements of the electrostatic forces between pairs of colloidal particlesAllan Raudsepp, Martin A.K. Williams and Simon B. HallEur. Phys. J. E, 39 7 (2016) 70DOI: https://doi.org/10.1140/epje/i2016-16070-1