Aoyama, M, Sugiyama, Y, Ikeya, K, Maie, N. Spectroscopic and mass spectroscopic properties of Lake Biwa fulvic acids, a Japanese humic substances society standard sample. Humic Substances Research. 2019. 15. 1. 21-31
Comparison of constituents of dissolved organic matter in soil and lake water by two-dimensional HPLC
(7th International Symposium on Soil Organic Matter (Adelaide, Australia) 2019)
Compositional Similarity between Alkali-Extracted and Water-Extracted Fulvic Acids in Soils.
(SSSA 2018-2019 International Soils Meeting (San Diego, USA) 2019)