@article {3495,
	title = {Cytogical investigations on Sesleria heufleriana Schu and S. coerulans Friv},
	journal = {Acta Biologica Cracoviensa},
	volume = {2},
	year = {1959},
	pages = {65-73},
	keywords = {SESLERIA, Sesleria heufleriana},
	author = {Rychlewski, Jerzy}
}
@article {3496,
	title = {Cyto-embryological studies in the apomictic species Nardus stricta L},
	journal = {Acta Biologica Cracoviensa},
	volume = {4},
	year = {1961},
	pages = {1-23},
	keywords = {NARDUS, Nardus stricta, species},
	author = {Rychlewski, Jerzy}
}
