@misc{indiciaefedc9c630839,
  title = {Characteristics of vegetation phenology over the Alaskan landscape using AVHRR time-series data},
  author = {Carl J. Markon and Michael D. Fleming and Emily F. Binnian},
  year = {2009},
  doi = {10.1017/s0032247400013681},
  url = {https://pubs.usgs.gov/publication/70184677},
  note = {Source identifier: 70184677}
}