Cite
MLA Citation
Qiuxiang Yao et al.. “1H NMR and 13C NMR characterization of n-heptane extraction of low-temperature coal tar reacted with formaldehyde.” Energy sources, vol. 42, no. 12, 2020, pp. 1490–1498. http://access.bl.uk/ark:/81055/vdc_100105446988.0x000017