erc: who: Kline, D. what: The implications of potential `lock-in` markets for renewable energy when: 19961101 where: https://digital.library.unt.edu/ark:/67531/metadc682979/ erc-support: who: University of North Texas Libraries what: Permanent: Stable Content: when: 20081203 where: https://digital.library.unt.edu/ark:/67531/