TY  - BOOK
AU  - Kotpal, R. L.,
TI  - Echinodermata Zoology Phylum 8
U1  - 593 
PY  - 1981///
CY  - Meerut
PB  - Rastogi Pub.
KW  - Echinodermata
KW  - Marine & seashore invertebrates
ER  -