McDonald, J. H.; Seed, R.; Koehn, R. K. (1991). "Allozymes and morphometric characters of three species of Mytilus in the Northern and Southern Hemispheres". Marine Biology. 111 (3): 323–333. Bibcode:1991MarBi.111..323M. doi:10.1007/BF01319403.
McDonald, J. H.; Seed, R.; Koehn, R. K. (1991). "Allozymes and morphometric characters of three species of Mytilus in the Northern and Southern Hemispheres". Marine Biology. 111 (3): 323–333. Bibcode:1991MarBi.111..323M. doi:10.1007/BF01319403.