Shahab Khorasanizade &  J. M. M. Sousa. (2019). Improving Linked-Lists Using Tree Search Algorithms for Neighbor Finding in Variable-Resolution Smoothed Particle Hydrodynamics.
            <i>Communications in Computational Physics</i>. <i>26</i> (1).
            57-86.
         doi:10.4208/cicp.OA-2018-0158