@article {658,
	title = {Etude comparee de la composition chimique des regions souples et durcies de la cuticule de quatre especes de sipunculiens},
	journal = {Cahiers de Biologie Marine},
	volume = {18},
	year = {1977},
	note = {@ IN FRENCH; ENG. ABST. COMPARATIVE STUDY OF CHEMICL COMPOS OF FLEXIB \& HARD PARTS OF THE CUTICLE OF SIPS; ASP. MUELL, GOLF. VULGARIS, P{\textquoteright}LION STROMBI, \& S. NUDUS. HISTOCHEM - COLLAGEN IN ALL SPP CUTICLE. NON PROTEIN CUTICLE MATERIAL WAS NEUTRAL \& ACID MUCOPOLYSACC. IN INTROV. PAPS OF S.NUDUS. HISTOLOG \& HISTOCHEM DIFFERENCES BETWEEN HARD \& FLEXIBLE PARTS OF CUTIC OF G.VULG NOT DETECTED. IN ASP.MUELL A PECULIAR PROT. MATERIAL DETECTED BY AMINO AC CHROMATOG AFTER ACID HYDROLYSIS COULD PLAY A ROLE IN THE HARDNING OF SHIELDS; THIS HARD{\textquoteright}ING INCREASED BY CARBONATE DEPOSITS. SPP, W \& W{\textquoteright}OUT HARD PARTS.},
	pages = {135-145},
	keywords = {chemical composit., cuticle, hooks},
	author = {Voss-Foucart, M. F. and Barzin, S. and Jeuniaux, C. and Bussers, J. C.}
}
