Argan, P., Audit, G., Bloch, A., de Botton, N., Faure, J.-L., Schuhl, C., Tamas, G., Tzara, C., Vincent, E., Van Oystaeyen, B., Deutsch, J., Favart, D., & Prieels, R. (1981). Analysis of pi0 photoproduction measurements near threshold on light nuclei. Physical Review C (Nuclear Physics), C24, 300-302. https://doi.org/10.1103/PhysRevC.24.300 (Original work published 1981)