Zaccaro, M. C., A. Kato, G. Zulpa, M. M. Storni, N. Steyerthal, K. Lobasso, and A. M. Stella. “Bioactivity of Scytonema Hofmanni (Cyanobacteria) in Lilium Alexandrae in Vitro Propagation”. Electronic Journal of Biotechnology, vol. 9, no. 3, June 2006, pp. 0-0, https://preprints.pucv.cl/index.php/ejbiotechnology/article/view/v9n3-30.