@article {7544,
	title = {Morphological basis for phylogeny and classification of Bivalvia},
	journal = {Ruthenica},
	volume = {2},
	number = {1},
	year = {1992},
	pages = {1-25},
	keywords = {anatomy, bivalvia, evolution, mollusca, morphology, paleontology, phylogeny},
	author = {Starobogatov, Yaroslav I.}
}
@article {1585,
	title = {Morphological basis for phylogeny and classification of Bivalvia},
	journal = {Ruthenica},
	volume = {2},
	number = {1},
	year = {1992},
	pages = {1-25},
	keywords = {anatomy, bivalvia, evolution, mollusca, morphology, paleontology, phylogeny},
	author = {Starobogatov, Yaroslav I.}
}
