erc: who: Ji, Qing what: Maskless, resistless ion beam lithography when: 20030310 where: https://digital.library.unt.edu/ark:/67531/metadc737614/ erc-support: who: University of North Texas Libraries what: Permanent: Stable Content: when: 20081203 where: https://digital.library.unt.edu/ark:/67531/