Pereira Limberger, Renata, Adriana Mendes Aleixo, Arthur Germano Fett-Neto, and Amélia T. Henriques. 2007. “Bioconversion of (+)- and (-)-Alpha-Pinene to (+)- and (-)-Verbenone by Plant Cell Cultures of Psychotria Brachyceras and Rauvolfia Sellowii”. Electronic Journal of Biotechnology 10 (4). Valparaíso, Chile:0-0. https://www.ejbiotechnology.info/index.php/ejbiotechnology/article/view/v10n4-8.