Martin, K., Morlin, G., Smith, A., Nordyke, A., Eisenstark, A., & Golomb, M. (1998). The Tryptophanase Gene Cluster of Haemophilus influenzae Type b: Evidence for Horizontal Gene Transfer. American Society for Microbiology.

Martin, Kimberly, Gregory Morlin, Arnold Smith, Andrea Nordyke, Abraham Eisenstark, and Miriam Golomb. The Tryptophanase Gene Cluster of Haemophilus Influenzae Type B: Evidence for Horizontal Gene Transfer. American Society for Microbiology, 1998.

Martin, Kimberly, et al. The Tryptophanase Gene Cluster of Haemophilus Influenzae Type B: Evidence for Horizontal Gene Transfer. American Society for Microbiology, 1998.