Reference

J. M. Van Huylenbroeck, A. Piqueras, P. C. Debergh (1997): Effects of Light Intensity on Photosynthesis and Toxic O2 Scavenging Enzymes during Acclimatization of Micropropagated Calathea. – Phyton, Annales Rei Botanicae, Horn – 37_3: 283 - 290.