Grewling Ł., Piosik Ł., Szkudlarz P. 2021. Morphophysiological characteristics of pollen grains produced by bisexual inflorescences of silver birch (Betula pendula Roth.). Aerobiologia. 37(1): 179-83. doi:10.1007/s10453-020-09678-0

Grewling Ł., Piosik Ł., Szkudlarz P. 2021. Morphophysiological characteristics of pollen grains produced by bisexual inflorescences of silver birch (Betula pendula Roth.). Aerobiologia. 37(1): 179-83. doi:10.1007/s10453-020-09678-0