Search for a 21.4-MeV state in 13C and (p, pi +) production mechanisms.

@article{Brown1991SearchFA,
  title={Search for a 21.4-MeV state in 13C and (p, pi +) production mechanisms.},
  author={E B Brown and Jacobsen and Kemper},
  journal={Physical review. C, Nuclear physics},
  year={1991},
  volume={44 6},
  pages={2581-2583}
}