Comparison of cosmic-ray exposure ages and trapped noble gases in chondrule and matrix samples of ordinary, enstatite, and carbonaceous chondrites,
Eugster, O., S. Lorenzetti, U. Krähenbühl, K. Marti (2007),
Meteoritics Planet. Sci., 42 p. 1351–1371,
10.1111/j.1945-5100.2007.tb00579.x.