1. F. Mezei, Z. Physik 255, 146 (1972)
2. Lecture Notes in Physics;F. Mezei,1980
3. C.M.E Zeyen, P.C. Rem, R.A. Hartmann, I.J.M. van de Klundert, Proc. MT-10, IEEE MAG 24, 1540 (1988)
4. Private unpublished calculations. The field inhomogeneities of an OFS coil as describer in [3] was compared to a solenoid of similar size.
5. see contribution by M. Monkenbusch in this volume.