On variation in Nucella lapillus (L.): shell shape in populations from the Bristol Channel
Crothers, J.H. (1974). On variation in Nucella lapillus (L.): shell shape in populations from the Bristol Channel. J. Moll. Stud. 41: 157-170
In: Journal of Molluscan Studies. Oxford University Press: Reading. ISSN 0260-1230; e-ISSN 1464-3766, more
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