@Article{SCI:Wal2010a,
  author =    "P.C. Wallstedt and J.E. Guilkey",
  title =     "A Weighted Least Squares Particle-In-Cell Method
              for Solid Mechanics",
  journal =   "International Journal for Numerical Methods in
              Engineering",
  volume =    "85",
  number =    "13",
  pages =     "1687--1704",
  year =      "2010",
  month =     "April",
  keywords =  "generalized interpolation material point method,
              meshfree, marching cubes, weighted least squares,
              implicit surface, MPM, GIMP, PIC",
  url =       "http://www.sci.utah.edu/publications/Wal2010a/Wallstedt_IJNME2010.pdf",
}