TY  - BOOK
AU  - R L KOTPAL
TI  - ECHINODERMATA
U1  - P593.9K848E2 
PY  - 1969///
CY  - MEERUT
PB  - RASTOGI & COMPANY
KW  - ECHINODERMATA
N1  - MODERN BOOK HOUSE JABALPUR
ER  -