Zeps M., Kondratovičs T., Grigžde E., Jansons Ā., Zeltiņš P., Samsone I., Matisons R. 2022. Plants, 11(8), 1097
                    Plantlet anatomy of silver birch (Betula pendula Roth.) and hybrid aspen (Populus tremuloides Michx. × Populus tremula L.) shows intraspecific reactions to illumination in vitro
                                            DOI: 10.3390/plants11081097