Reference
Mateja Germ, Darinka Drmaz, Milijan Sisko, Alenka Gaberscik (2002): Effect of UV-B Radiation on Green Alga Scenedesmus quadricaula: Growth-Rate, UV-B absorbing Compounds and Potential Respiration in Phosphorus Rich and Phosphorus Poor Medium. – Phyton, Annales Rei Botanicae, Horn – 42_1: 25 - 37.