first_spec_class	second_spec_class	prob_first_spec_class	prob_second_spec_class	taxonomy	wavelength	author	ref	method
C				Bus	VIS	Bus	2002Icar..158..146B	SPEC
C	S	0.380000	0.290000	Mahlke	VIS	Mahlke	2022A&A...665A..26M	SPEC