@article {Liu2021-uc,
	title = {Experimental Investigation of Solid Organic Matter with a 2D NMR T1{\textendash}T2 Map},
	journal = {Energy Fuels},
	volume = {35},
	number = {19},
	year = {2021},
	pages = {15709{\textendash}15720},
	publisher = {American Chemical Society},
	author = {Kouqi Liu and Thomas Gentzis and Humberto Carvajal-Ortiz and Xie, Zonghai Harry and Mehdi Ostadhassan}
}
