Schultz, H. (2006). Sea urchins: a guide to worldwide shallow water species. Third edition. Heinke & Peter Schultz Partner Scientific Publications: Hemdingen. ISBN 3-9809868-2-9. XII, 484 pp.
197526
Schultz, H.
2006
Sea urchins: a guide to worldwide shallow water species. Third edition
Heinke & Peter Schultz Partner Scientific Publications: Hemdingen. ISBN 3-9809868-2-9.