@misc{1168046, author = {Harry J Keegan and Wiley A Hall and Gladys M Haas}, title = {Spectrophotometric and colorimetric study of diseased and rust resisting cereal crops:}, year = {1956}, month = {1956-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.RPT.4591}, language = {en}, }