@misc{indiciaef983ff7dc25a,
  title = {Conditioning experiences and phobias.},
  author = {H Merckelbach and C de Ruiter and M A van den Hout and R Hoekstra},
  year = {1989},
  doi = {10.1016/0005-7967(89)90149-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/2610660/},
  note = {Source identifier: 2610660}
}