Sipuncula & Nemertea / Stjärnmaskar & slemmaskar. By M. Strand & P. Sundberg. 2010. 188 pages. Illustrated throughout in colour. ISBN 978-91-88506-72-6. Price excl. postage € 54.00 / US$ 72.00 / DKK 360.00 Includes 80 species.
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