Barnacles: keys and notes for the identification of British species
Southward, A.J. (2008). Barnacles: keys and notes for the identification of British species. Synopses of the British Fauna, N.S. 57. Field Studies Council: Shrewsbury. ISBN 978-1-85153-270-4. viii, 140 pp.
Part of: Barnes, R.S.K.; Crothers, J.H. (Ed.) Synopses of the British Fauna. Linnean Society of London: London; New York. ISSN 0082-1101