Journal of Northeastern University(Natural Science)
Coal Classification Based on Visible and Near-Infrared Spectrum
SONG Liang， LIU Shan-jun， MAO Ya-chun， LI Tian-zi
Journal of Northeastern University Natural Science . 2017, (10): 1473 -1476 .  DOI: 10.12068/j.issn.1005-3026.2017.10.021