Referencing P21.2

Please acknowledge the use of the DESY photon facility. All publications have to contain a corresponding sentence, which is listed here.

There is no publication yet, which describes the full capabilities of P21.2. In the meantime, we ask all to cite the following conference paper:
Z Hegedüs et al 2019 IOP Conf. Ser.: Mater. Sci. Eng. 580 012032
doi: 10.1088/1757-899X/580/1/012032