Argan, P. E., Audit, G., Bloch, A., Bosted, P. E., De Botton, N., Faure, J. L., Schuhl, C., Tamas, G., Tzara, C., Vincent, E., Van Oystaeyen, B., Deutsch, J., Favart, D., & Prieels, R. (1978). A Measurement of pi0 Photoproduction on Deuterium Near Threshold. Physical Review Letters, 41, 629-631. https://doi.org/10.1103/PhysRevLett.41.629 (Original work published 1978)