first_spec_class	second_spec_class	prob_first_spec_class	prob_second_spec_class	taxonomy	wavelength	author	ref	method
Q				Bus	VIS	Bus	2002Icar..158..146B	SPEC
Q				Bus	VISNIR	Binzel	2004Icar..170..259B	SPEC
Q	S	0.690000	0.310000	Mahlke	VIS	Mahlke	2022A&A...665A..26M	SPEC
S				Tholen	VIS	Hicks	1998Icar..133...69H	SPEC