@article {6440,
	title = {Models for the morphogenesis of the molluscan shell},
	journal = {Lethaia},
	volume = {38},
	year = {2005},
	note = {PDF},
	pages = {111-122},
	keywords = {ammonites, modeling, mollusca, morphogenesis, shell morphology, theoretical morphology},
	author = {Hammer, {\O}yvind and Bucher, Hugo}
}
