erc: who: La Haye, R. J. what: Limits on m = 2, n = 1 error field induced locked mode instability in TPX with typical sources of poloidal field coil error field and a prototype correction coil, C-coil'' when: 19921201 where: https://digital.library.unt.edu/ark:/67531/metadc1107813/ erc-support: who: University of North Texas Libraries what: Permanent: Stable Content: when: 20081203 where: https://digital.library.unt.edu/ark:/67531/