Dean, H. K., & Cutler, E. B. (1998). Range extension of Nephasoma pellucidum, and new records of Apionsoma (Edmonsius) peclinalum (Sipuncula) and Thalassema steinbecki (Echiura) from the Pacific of Costa Rica.
Chicago-tyylinen lähdeviittausDean, Harlan K., ja Edward B. Cutler. Range Extension of Nephasoma Pellucidum, and New Records of Apionsoma (Edmonsius) Peclinalum (Sipuncula) and Thalassema Steinbecki (Echiura) From the Pacific of Costa Rica. 1998.
MLA-viiteDean, Harlan K., ja Edward B. Cutler. Range Extension of Nephasoma Pellucidum, and New Records of Apionsoma (Edmonsius) Peclinalum (Sipuncula) and Thalassema Steinbecki (Echiura) From the Pacific of Costa Rica. 1998.
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