@misc{indiciaea9cac8d13b66, title = {Method for determining surface coverage by materials exhibiting different fluorescent properties}, author = {Chappelle, Emmett W. and Daughtry, Craig S. T. and Mcmurtrey, James E., III}, year = {1995}, url = {https://ntrs.nasa.gov/citations/19950021790}, note = {Source identifier: 19950021790} }