Detection of soybean rust contamination in soy leaves by FTIR photoacoustic spectroscopy L. H.C. Andrade, P. G. Freitas, B. G. Mantovani, M. S. Figueiredo, R. A. Lima, S. M. Lima, M. A.S. Rangel and R. M. Mussury Eur. Phys. J. Special Topics, 153 (2008) 539-541 Published online: 12 March 2008 DOI: 10.1140/epjst/e2008-00503-8