Kapp, D., Niehaus, K., Quandt, J., Muller, P., & Puhler, A. (1990). Cooperative Action of Rhizobium meliloti Nodulation and Infection Mutants during the Process of Forming Mixed Infected Alfalfa Nodules.

Kapp, D., K. Niehaus, J. Quandt, P. Muller, und A. Puhler. Cooperative Action of Rhizobium Meliloti Nodulation and Infection Mutants During the Process of Forming Mixed Infected Alfalfa Nodules. 1990.

Kapp, D., et al. Cooperative Action of Rhizobium Meliloti Nodulation and Infection Mutants During the Process of Forming Mixed Infected Alfalfa Nodules. 1990.