sci
hub

to open science
Tuba, Z., Csintalan, Z., Szente, K., Nagy, Z., Fekete, G., Larcher, W., & Lichtenthaler, H. K. (2008). Winter photosynthetic activity of twenty temperate semi-desert sand grassland species. Journal of Plant Physiology, 165(14), 1438–1454. doi:10.1016/j.jplph.2007.10.017 
10.1016/j.jplph.2007.10.017