@article{FialaMaschwitzPongetal.1989,
  author    = {Brigitte Fiala and Ulrich Maschwitz and Tho, Yow Pong and Andreas J. Helbig},
  title     = {Studies of a South East Asian ant-plant association : protection of Macaranga trees by Crematogaster borneensis},
  year      = {1989},
}