1. Górnik K., Grzesik M.: Effect of Asahi SL on China aster ‘Aleksandra’ seed yield, germination and some metabolic events. Acta Physiol. Plant., 2002, 24(4): 379-383.
2. Grzesik M., Romanowska-Duda Z.B.: The use of blue green algae in ecological plant production. Workshop of Inter. Research Network: Physiological and practical aspects of the yield and seed quality improvement by ecological methods; 21.06.2006, Warsaw, 16-17.
3. Jansen L.H.J., van Oevaren J.C., van Hasselt P.R., Kuiper P.J.C.: Genotypic variation in chlorophyll fluorescence parameters, photosynthesis and growth of tomato grown at low temperature and low irradiance. Photosynthetica, 1995, 31: 301-314.
4. Kundzewicz Z.W., Tryjanowski P.: Climatic extremes: Long-term changes and their impact. Kosmos, 2008, 57(3-4): 251-260.
5. Mills E.: Insurance in a climate of change. Science, 2005, 309: 1040-1044.
6. Romanowska-Duda Z.B., Kalaji H., Strasser R.: The use of PSII activity of Spirodela oligorrhiza plants as an indicatore for water toxicity. Fundamental Aspects to Global Perspectives. Photosynth. Res., Special Issue, 2005, 585-587.
7. Romanowska-Duda Z.B., Górnik K.: Juvenile growth of cuttings under influence of biostimulators and algae. COST 858. Viticulture: Biotic and Abiotic Stress- Grapevine Defense Mechanisms and Grape Development. 2006, Prague, 14-16.09.2006, 39.