erc:
who: Allen B. DuMont Laboratories
what: Report #26: Development of Photomultiplier Tubes
when: 19571200
where: https://digital.library.unt.edu/ark:/67531/metadc13282/
erc-support:
who: University of North Texas Libraries
what: Permanent: Stable Content:
when: 20081203
where: https://digital.library.unt.edu/ark:/67531/