µCF experiments in thin deuterium films and progress towards slow µ− production - Strasser, P.; Ishida, K.; Sakamoto, S.; Shimomura, K.; Kawamura, N.; Torikai, E.; Iwasaki, M.; Nagamine, K. (Springer, 1996)
http://dx.doi.org/10.1007/BF02227666
Keywords: U