Encyclopaedia of Echinodermata: 3. Phylum Echinodermata
Tyagi, R.; Shukla, A.N. (2002). Encyclopaedia of Echinodermata: 3. Phylum Echinodermata. Encyclopaedia of Echinodermata, 3. Anmol Publications: New Dehli. ISBN 81-261-1170-4. 513 pp.
Part of: Encyclopaedia of Echinodermata, more
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