Quantitative analysis of chromium in potatoes by laser-induced breakdown spectroscopy coupled with linear multivariate calibration Chen, Tianbing ; Huang, Lin ; Yao, Mingyin ; Hu, Huiqin ; Wang, Caihong ; Liu, Muhua Abstract Publication: Applied Optics Pub Date: September 2015 DOI: 10.1364/AO.54.007807 Bibcode: 2015ApOpt..54.7807C