erc: who: Chasman, R.W. what: Preliminary design of experimental insertions for vertically stacked rings in the CERN 400 GeV storage ring facility when: 19741001 where: https://digital.library.unt.edu/ark:/67531/metadc1016336/ erc-support: who: University of North Texas Libraries what: Permanent: Stable Content: when: 20081203 where: https://digital.library.unt.edu/ark:/67531/