Hirano, S. S., Charkowski, A. O., Collmer, A., Willis, D. K., & Upper, C. D. (1999). Role of the Hrp type III protein secretion system in growth of Pseudomonas syringae pv. syringae B728a on host plants in the field. The National Academy of Sciences.

Hirano, Susan S., Amy O. Charkowski, Alan Collmer, David K. Willis, và Christen D. Upper. Role of the Hrp Type III Protein Secretion System in Growth of Pseudomonas Syringae Pv. Syringae B728a On Host Plants in the Field. The National Academy of Sciences, 1999.

Hirano, Susan S., et al. Role of the Hrp Type III Protein Secretion System in Growth of Pseudomonas Syringae Pv. Syringae B728a On Host Plants in the Field. The National Academy of Sciences, 1999.