Wulf, E. A., Canon, R. S., Gaff, S. J., Kelley, J. H., Prior, R. M., Schreiber, E. C., … Schiavilla, R. (1999). "A New Photodisintegration Threshold Observable in 3He". Phys. Rev. (Rapid Communications), C61, 021601(R).

Wulf, E. A., R. S. Canon, S. J. Gaff, J. H. Kelley, R. M. Prior, E. C. Schreiber, M. Spraker, et al. “"A New Photodisintegration Threshold Observable in 3He".” Phys. Rev. (Rapid Communications) C61 (1999): 021601(R).

Wulf EA, Canon RS, Gaff SJ, Kelley JH, Prior RM, Schreiber EC, et al. "A New Photodisintegration Threshold Observable in 3He". Phys Rev (Rapid Communications). 1999;C61:021601(R).

Wulf, E. A., et al. “"A New Photodisintegration Threshold Observable in 3He".” Phys. Rev. (Rapid Communications), vol. C61, 1999, p. 021601(R).

Wulf EA, Canon RS, Gaff SJ, Kelley JH, Prior RM, Schreiber EC, Spraker M, Tilley DR, Weller HR, Viviani M, Kievsky A, Rosati S, Schiavilla R. "A New Photodisintegration Threshold Observable in 3He". Phys Rev (Rapid Communications). 1999;C61:021601(R).