Jonas, R. M., Weaver, E. A., Kenney, T. J., Moran, C. P., & Haldenwang, W. G. (1988). The Bacillus subtilis spoIIG operon encodes both sigma E and a gene necessary for sigma E activation.

Jonas, R M., E A. Weaver, T J. Kenney, C P. Moran, και W G. Haldenwang. The Bacillus Subtilis SpoIIG Operon Encodes Both Sigma E and a Gene Necessary for Sigma E Activation. 1988.

Jonas, R M., et al. The Bacillus Subtilis SpoIIG Operon Encodes Both Sigma E and a Gene Necessary for Sigma E Activation. 1988.