Linda J. Eades

A restriction enzyme cleavage map of the histidine utilization (hut) genes of Klebsiella aerogenes and deletions lacking regions of hut DNA

M. I. Lomax, R. Bender, S. Boylan, 2004, Molecular and General Genetics MGG.

A point mutation in the Nul gene of bacteriophage λ facilitates phage growth in Escherichia coli with himA and gyrB mutations

D. Friedman, A. E. Granston, D. Alessi, 1988, Molecular and General Genetics MGG.