@article{ageometricinvariantforthestudyofplanar,
  title = {A geometric invariant for the study of planar curves and its application to spiral tip meander},
  year = {2016},
  eprint = {1602.07758},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1602.07758v1},
}