@article{WalterTrauth2013,
  author    = {Marius J. Walter and Martin H. Trauth},
  title     = {A MATLAB based orientation analysis of Acheulean handaxe accumulations in Olorgesailie and Kariandusi, Kenya Rift},
  journal   = {Journal of human evolution},
  volume    = {64},
  number    = {6},
  pages     = {569 -- 581},
  doi       = {10.1016/j.jhevol.2013.02.011},
  year      = {2013},
}