@article{KnappThenWelsetal.1985,
  author    = {S. Knapp and I. Then and W. Wels and W. Michel and H. Tsch{\"a}pe and J{\"o}rg Hacker and W Goebel},
  title     = {Analysis of the flanking regions from different hemolysin determinants of Escherichia coli},
  year      = {1985},
}