Journal article
Distributions of cranial pathologies provide evidence for head-butting in dome-headed dinosaurs (Pachycephalosauridae)
Citation
Peterson, J. E.; Dischler, C.; Longrich, N. R. (2013). Distributions of cranial pathologies provide evidence for head-butting in dome-headed dinosaurs (Pachycephalosauridae). PLOS ONE 8(7): e68620. Public Library of Science (PLoS). doi:10.1371/journal.pone.0068620