Research on the aging characteristics of base liquor in Sichuan Province’s strong Aroma Baijiu at different aging periods using mass spectrometry and 3D fluorescence spectroscopy methods - Qing He; Guoquan Han; Hongfei Yao; Jun Wang; Dongxian Geng; Qiuyue Han; Xiao Wang; Kechun Tang (PLoS ONE, 2026)