@article{Tjallingii:1999,
  author  = "W. Tjallingii and B. Gabry¶",
  title   = "Anomalous stylet punctures of phloem sieve elements by aphids",
  journal = "Entomologia Experimentalis et Applicata",
  volume  = "Vol. 91",
  number  = "no 1",
  pages   = "97--103",
  year    = "1999",
}