https://sb2019.samweber.biz/story.php?title=www-szeptem-com-pl-4 Horn use in Triceratops (Dinosauria: Ceratopsidae): testing behavioral hypotheses utilizing scale fashions. Goodwin, M. B., Clemens, W. A., Horner, J. R. Sat, 25 Jan 2020 16:56:05 UTC en