@article {7901,
	title = {Significance of the ligament in the classification of the Bivalvia},
	journal = {Proceedings of the Royal Society of London. Series B},
	volume = {202},
	year = {1978},
	note = {PDF},
	pages = {231-248},
	keywords = {bivalvia, ligament, mollusca},
	author = {Yonge, C. M.}
}
