Authors: N Van Larebeke; G Engler; M Holsters; S Van den Elsacker; I Zaenen; R A Schilperoort; J Schell Journal: Nature Date: 1974-11-08 Impact factor: 49.962
Authors: L Unger; S F Ziegler; G A Huffman; V C Knauf; R Peet; L W Moore; M P Gordon; E W Nester Journal: J Bacteriol Date: 1985-11 Impact factor: 3.490