Lap Shear and Impact Testing of Ochre and Beeswax in Experimental Middle Stone Age Compound Adhesives Kozowyk, P. R. B. ; Langejans, G. H. J. ; Poulis, J. A. Abstract Publication: PLoS ONE Pub Date: March 2016 DOI: 10.1371/journal.pone.0150436 Bibcode: 2016PLoSO..1150436K