Meister, H., Fischer, R., Horton, L. D., Maggi, C. F., Nishijima, D., ASDEX Upgrade Team, Giroud, C., Zastrow, K.-D., & JET-EFDA Contributors, (2004). Zeff from spectroscopic bremsstrahlung measurements at ASDEX Upgrade and JET. Review of Scientific Instruments, 75, 4097-4099. doi:10.1063/1.1787167.