Laser-induced breakdown spectroscopy assisted chemometric methods for rice geographic origin classification Yang, Ping ; Zhou, Ran ; Zhang, Wen ; Tang, Shisong ; Hao, Zhongqi ; Li, Xiangyou ; Lu, Yongfeng ; Zeng, Xiaoyan Abstract Publication: Applied Optics Pub Date: October 2018 DOI: 10.1364/AO.57.008297 Bibcode: 2018ApOpt..57.8297Y