ZHANG Guang-na, LIN Xiang-jie, LI Yun-mei, XU Shu-jian, ZHANG Yu-lan. Fourier Transform Infrared Spectroscopy Analysis of Humic Acids from Brown and Cinnamon Soils under Robinia pseudoacacia Forest[J]. Spectroscopy and Spectral Analysis, 2018, 38(4): 1298