R. K. Clarke, J. Grahame and P. J. Mill Variation and constraint in the shells of two sibling species of intertidal rough periwinkles (Gastropoda: Littorina spp.) Journal of Zoology 247
Article first published online: 28 FEB 2006 | DOI: 10.1111/j.1469-7998.1999.tb00978.x
Complete the form below and we will send an e-mail message containing a link to the selected article on your behalf
Required = Required Field
Choose captcha format: Image or Audio. Click here if you need help.