erc: who: Moore, R. L. what: Bearing strength of some sand-cast magnesium alloys when: 19470200 where: https://digital.library.unt.edu/ark:/67531/metadc55000/ erc-support: who: University of North Texas Libraries what: Permanent: Stable Content: when: 20081203 where: https://digital.library.unt.edu/ark:/67531/