Rafael, Jill A.: The Characterization, Cloning and Sequencing of the IlvBΔ1 and IlvBΔ3 Mutations in Bacillus Subtilis, 1991, Box: 6. Cornell University Office of Undergraduate Biology honors theses, 53-2-4432. Division of Rare and Manuscript Collections. https://archives.library.cornell.edu/repositories/2/archival_objects/919738 Accessed August 25, 2026.