Clark, R. K., Barlow, P. M., Diamond, R. N., Hagopian, V., Lannutti, J. E., Spencer, C. M., … Gearhart, R. (1985). Triggered-bubble-chamber study of the reaction pi +p--> Delta ++ pi 0 pi 0 at 16 GeV/c. Physical Review. D, Particles and Fields, 32(5), 1061–1070. https://doi.org/10.1103/physrevd.32.1061

Clark, R. K., P. M. Barlow, R. N. Diamond, V. Hagopian, J. E. Lannutti, C. M. Spencer, M. Ferguson, et al. “Triggered-bubble-chamber study of the reaction pi +p--> Delta ++ pi 0 pi 0 at 16 GeV/c.” Physical Review. D, Particles and Fields 32, no. 5 (September 1985): 1061–70. https://doi.org/10.1103/physrevd.32.1061.

Clark RK, Barlow PM, Diamond RN, Hagopian V, Lannutti JE, Spencer CM, et al. Triggered-bubble-chamber study of the reaction pi +p--> Delta ++ pi 0 pi 0 at 16 GeV/c. Physical review D, Particles and fields. 1985 Sep;32(5):1061–70.

Clark, R. K., et al. “Triggered-bubble-chamber study of the reaction pi +p--> Delta ++ pi 0 pi 0 at 16 GeV/c.” Physical Review. D, Particles and Fields, vol. 32, no. 5, Sept. 1985, pp. 1061–70. Epmc, doi:10.1103/physrevd.32.1061.

Clark RK, Barlow PM, Diamond RN, Hagopian V, Lannutti JE, Spencer CM, Ferguson M, Glanzman T, Goshaw AT, Lucas P, Morgan N, Robertson W, Walker WD, Bugg W, Condo G, Handler T, Hart E, Rogers A, Cohn HO, Kim IJ, Sun CR, Gearhart R. Triggered-bubble-chamber study of the reaction pi +p--> Delta ++ pi 0 pi 0 at 16 GeV/c. Physical review D, Particles and fields. 1985 Sep;32(5):1061–1070.