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L. F. Maia, R. F. Fernandes, G. Lobo-Hajdu, L. F. C. de Oliveira. "Conjugated polyenes as chemical probes of life signature: use of Raman spectroscopy to differentiate polyenic pigments." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 372.2030 (2014) 20140200-20140200