@article {8148,
	title = {Multivariate analysis of morphological variation among closely related species Bromus japonicus, B. squarrosus and B. arvensis (Poaceae) in comparison with isozyme evidences},
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	volume = {24},
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	pages = {691 - 702},
	author = {T. Oja and J. Paal}
}
@article {8194,
	title = {Breeding system, evolution and taxonomy of Bromus arvensis, B. japonicus and B. squarrosus (Poaceae)},
	journal = {Plant Syst. Evol},
	volume = {242},
	year = {2003},
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	pages = {101 - 117},
	author = {T. Oja and V. Jaaska and V. Vislap}
}
@article {7082,
	title = {Genetic divergence and interspecific differentiation in the Bromus madritensis complex (Poaceae) based on isozyme data},
	journal = {Biochem. Syst. Ecol},
	volume = {30},
	year = {2002},
	month = {2002///},
	pages = {433 - 449},
	author = {T. Oja}
}
