JBF. “Molecular Beam Engineering at Intermediate Energies”, Entropie, No. 18, November-December 1967 and JBF. “Molecular Beam Engineering at Intermediate Energies”, Project SQUID, Technical Report PR-115-P, January 1968, 1967-1968

JBF. “Molecular Beam Engineering at Intermediate Energies”, Entropie, No. 18, November-December 1967 and JBF. “Molecular Beam Engineering at Intermediate Energies”, Project SQUID, Technical Report PR-115-P, January 1968, 1967-1968, Box: 5, Folder: 8. Papers of John B. Fenn, 2012-003-001. Science History Institute Archives. https://sciencehistory.libraryhost.com/repositories/3/archival_objects/23659 Accessed November 26, 2024.