@misc{Fiala1990,
  author    = {Brigitte Fiala},
  title     = {Extrafloral nectaries versus ant-Homoptera mutualisms : a comment on Becerra and Venable},
  institution = {Theodor-Boveri-Institut f{\"u}r Biowissenschaften},
  type      = {review},
  year        = {1990},
}