On variation in the shell of the dog-whelk, Nucella lapillus (L.): 1. Pembrokeshire
Crothers, J.H. (1974). On variation in the shell of the dog-whelk, Nucella lapillus (L.): 1. Pembrokeshire. Field Stud. 4(1): 39-60
In: Field Studies. Field Studies Council: London. ISSN 0428-304X, more
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