T. Garvey, The TESLA High power coupler program at Orsay, Proceedings of the SRF2003 Workshop
URL : https://hal.archives-ouvertes.fr/in2p3-00021630

B. Dwersteg, D. Kostin, and W. Möller, TESLA RF power couplers development at DESY, Proceedings of the SRF2001 Workshop