• Fares S., Brilli F., Noguès I., Velikova V., Tsonev T., Dagli S., Loreto F. - Isoprene emission and primary metabolism in Phragmites australis grown under different phosphorus levels. Plant Biology 10 (1), 38-43, 2008. ISSN: 1435-8603

• Edreva A, Velikova V, Tsonev T, Dagnon S, Gürel A, Aktaş, Gesheva E – Stress-protective role of secondary metabolites: diversity of functions and mechanisms. General and Applied Plant Physiology v. XXXIV (1-2), 67-78, 2008. ISSN – 1312-8183.

• Velikova V., Tsonev T., Barta C., Centritto M., Koleva D., Stefanova M., Busheva M., Loreto F. -  BVOC emissions, photosynthetic characteristics and changes in chloroplast ultrastructure of Platanus orientalis L. exposed to elevated CO2 and high temperature. Environmental Pollution   157 ( 10), 2629-2637, 2009.  ISSN: 0269-7491.

• Loreto F., Tsonev T., Centritto M. - The impact of blue light on leaf mesophyll conductance.  Journal of Experimental Botany 60 (8), 2283-2290, 2009. ISSN: 0022-0957.

• Koleva D., Stefanova M., Ganeva T.S., Velikova V., Tsonev T., Loreto F. - Structural responses of Platanus orientalis L. leaves to elevated CO2 concentration and high temperature. Journal of Environmental Protection and Ecology 11 (1), 122-129. 2010, ISSN: 1311-5065.

• Velikova V., Tsonev T., Loreto F., Centritto M. - Changes in photosynthesis, mesophyll conductance to CO2, and isoprenoid emissions in Populus nigra plants exposed to excess nickel. Environmental Pollution 159 (5), 1058-1066, 2011, ISSN: 0269-7491.

• Tsonev T., Velikova V., Yildiz-Aktas L., Gűrel A., Edreva A. - Effect of water deficit and potassium fertilization on photosynthetic activity in cotton plants. Plant Biosystems 145 (4), 841-847, 2011, ISSN: 1126-3504.

• Krumova S., Zhiponova M., Dankov K., Rashkov G., Tsonev T., Russinova E., Velikova V.,  Busheva M. - Effects of enhanced brassinosteroid perception on photosynthesis in Arabidopsis thaliana line BRIOE, Compt. rend. Acad. Sci. Bulg., 64 (7), 967-972,  2011, ISSN 1310-1331.

• Tsonev T., Lidon F.J.C. - Zinc in plants - An overview, Emir. J. Food Agric. 24 (4), 2012, 322-333. ISSN: 2079-052X

• Brilli F., Tsonev T., Mahmood T., Velikova V., Loreto F., Centritto M. - Ultradian variation of isoprene emission, photosynthesis, mesophyll conductance and optimum temperature sensitivity for isoprene emission in water-stressed Eucalyptus citriodora saplings, J. Exp. Bot.  64 (2) 2013, 519-528. ISSN: 0022-0957.

• Pallozzi E., Tsonev T., Marino G., Copolovici L., Niinemets U., Loreto F., Centritto M. - Isoprenoid emissions, photosynthesis and mesophyll diffusion conductance in response to blue light, Environmental and Experimental Botany, 95, 2013, 50-58. ISSN: 0098-8472.

• Tsonev T., Wahbi S., Sun P., Sorrentino G., Centritto M. - Gas exchange, water relations and their relationships with photochemical reflectance index in Quercus Ilex plants during water stress and recovery. International Journal of Agriculture and Biology. 16 (2), 335-341, 2014 , ISSN: 1560-8530.

• Pollastri S., Tsonev T., Loreto F. Isoprene improves photochemical efficiency and reduces heat dissipation in plants at physiological temperatures. Journal of Experimental Botany. 65 (6), 1565-1570, 2014 , ISSN: 0022-0957.