Earthworms : notes for the identification of British species /
Sims, R. W.(Reginald William),1926-
Gerard, B. M.
Field Studies Council (Great Britain)
Linnean Society of London.
Estuarine and Coastal Sciences Association.
Shrewsbury : Published for the Linnean Society of London and the Estuarine and Coastal Sciences Association by Field Studies Council,
1999.
Previous ed.: London : Brill/Backhuys, 1985.
Includes bibliographical references and index.
Earthworms.