1. Studies on the cosmic ray produced long-lived53Mn in Apollo 14 samples;Herr,1972
2. Depth profiles of53Mn in lunar rocks and soils;Imamura,1973
3. 53Mn in the Apollo 15 and 16 drill stems: evidence for surface mixing;Nishiizumi,1976
4. Evidence for the constancy of the solar cosmic ray flux over the past ten million years:53Mn and26Al-measurements;Kohl,1978
5. Lunar surface processes and cosmic ray histories over the past several million years;Fruchter,1978