erc: who: Dupuis, Lorraine what: Chemical Literature, Volume 21, Number 2, Fall 1969 when: 1969 where: https://digital.library.unt.edu/ark:/67531/metadc5710/ erc-support: who: University of North Texas Libraries what: Permanent: Stable Content: when: 20081203 where: https://digital.library.unt.edu/ark:/67531/