@misc{indiciaeb789616acfd1,
  title = {Winterkill indicator model, Crop Condition Assessment Division (CCAD) data base interface driver, user's manual},
  author = {Hansen, R. F.},
  year = {1981},
  url = {https://ntrs.nasa.gov/citations/19820007619},
  note = {Source identifier: 19820007619}
}