Electromagnetic acceleration of neutrons
Russell C. Casella and Samuel A. Werner
Phys. Rev. Lett. 69, 1625 (1992) - Published 14 September, 1992
Self-organized critical forest-fire model
B. Drossel and F. Schwabl
Phys. Rev. Lett. 69, 1629 (1992) - Published 14 September, 1992