@misc{indiciae5164984559bf,
  title = {Development and evaluation of an automatic labeling technique for spring small grains},
  author = {Crist, E. P. and Malila, W. A.},
  year = {1981},
  url = {https://ntrs.nasa.gov/citations/19820007607},
  note = {Source identifier: 19820007607}
}