Yonebayashi, Koyo; Hattori, Tomoo (1989). Chemical and biological studies on environmental humic acids II.
<sup>1</sup>
H-nmr and IR spectra of humic acids. Soil Science and Plant Nutrition, 35(3), 383–392.
doi:10.1080/00380768.1989.10434771
url to share this paper:
An interview with Sci-Hub Founder Alexandra Elbakyan Who exactly should pay for academic research