G. I. Ayala-Astorga and L. Alcaraz-Meléndez, “Salinity effects on protein content, lipid peroxidation, pigments, and proline in Paulownia imperialis (Siebold & Zuccarini) and Paulownia fortunei (Seemann & Hemsley) grown in vitro”, Electron. J. Biotechnol., vol. 13, no. 5, pp. 0–0, Oct. 2010.