erc: who: Rice, J. R. what: Combined macroscopic and microscopic approach to the fracture of metals. Annual progress report, 1980-1981 when: 19810601 where: https://digital.library.unt.edu/ark:/67531/metadc1209305/ erc-support: who: University of North Texas Libraries what: Permanent: Stable Content: when: 20081203 where: https://digital.library.unt.edu/ark:/67531/