Eick-Helmerich, K., & Braun, V. (1989). Import of biopolymers into Escherichia coli: Nucleotide sequences of the exbB and exbD genes are homologous to those of the tolQ and tolR genes, respectively.

Eick-Helmerich, K., و V. Braun. Import of Biopolymers Into Escherichia Coli: Nucleotide Sequences of the ExbB and ExbD Genes Are Homologous to Those of the TolQ and TolR Genes, Respectively. 1989.

Eick-Helmerich, K., و V. Braun. Import of Biopolymers Into Escherichia Coli: Nucleotide Sequences of the ExbB and ExbD Genes Are Homologous to Those of the TolQ and TolR Genes, Respectively. 1989.