@article {2407, title = {Illumination of a black box: Gas composition changes during graphite target preparation for AMS (Proceedings of the 14th International Radiocarbon Conference, 1991)}, journal = {Radiocarbon}, volume = {34}, year = {1991}, note = {id: 1745}, month = {1991}, pages = {321-329}, author = {McNichol, A. P. and Gagnon, A. R. and Jones, G. A. and Osborne, E. A.} }