@inproceedings{KurzHuelsmannGlocketal.1999, author = {Martin Kurz and Peter H{\"u}lsmann and Hans-Walter Glock and Horst Klein}, title = {The possibility of introducing additional focusing caused by the circular irises in iris loaded accelerator sections}, booktitle = {Proceedings of the 1993 Particle Accelerator Conference, Washington DC, 17.05. - 20.05.1993}, url = {http://sunkist.physik.uni-frankfurt.de/mikro/publications.html}, year = {1999}, }