%0 Journal Article %T THE INCIDENCE OF PEARLS IN POPULATIONS OF THE BLUE MUSSEL, MYTILUS EDULIS L., FROM NORTH WALES %A FERNANDES, F., C. %A SEED,, R. %J Journal of Molluscan Studies %V 49 %N 2 %P 107-115 %@ 0260-1230 %D 1983-07-01 %I Oxford University Press %~ DeepDyve