TY  - BOOK
AU  - Clark,Ailsa M.
AU  - Clark,A.H.
TI  - A Revision of the Sea-stars of the Genus Tethyaster
T2  - Smithsonian Miscellaneous Colections ; 
PY  - 1954///
CY  - Washington : 
PB  - Smithsonian Institution, 
ER  -