Portable fluorescence spectroscopy platform for Huanglongbing (HLB) citrus disease in situ detection - Ortega, Tiago; Mota, Alessandro Damiani; Rossi, Giuliano; Castro, Guilherme; Boas, Paulino Villas; Milori, Debora Marcondes Bastos Pereira; Castro Neto, Jarbas Caiado de (Photonics West, 2014)