TY  - BOOK
AU  - Ridder, Chantal de
TI  - Echinoderm research
SN  - 9789061911418
U1  - 593.9 RID 
PY  - 1990///
CY  - Rotterdam
PB  - A.A. Balkema Publishers
KW  - Echinodermata
KW  - Echinodermata, Fossil
N1  - Includes bibliographical references and index
ER  -