first_spec_class	second_spec_class	prob_first_spec_class	prob_second_spec_class	taxonomy	wavelength	author	ref	method
S				Howell	VISNIR	Howell	1994JGR....9910847H	PHOT
S		0.950000		Mahlke	VISNIR	Mahlke	2022A&A...665A..26M	SPEC
Sw				Bus-DeMeo	VISNIR	Hasegawa	2017PASJ...69...99H	SPEC