Khosh, M. S., Xu, X. M., & Trumbore, S. E. (2010). Small-mass graphite preparation
by sealed tube zinc reduction method for AMS 14C measurements. Nuclear Instruments and
Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 268(7-8),
927-930. doi:10.1016/j.nimb.2009.10.066.