TY - `BOOK` AU - Pettibone, Marian H. TI - Revision of some species referred to Leptonereis, Nicon, and Laeonereis (Polychaeta: Nereididae) PB - Smithsonian Inst. Press CY - Washington, DC PY - 1971 LA - eng SE - 53 S. T2 - Smithsonian contributions to zoology M1 - 104 N1 - Mit Bibliogr CN - 72 S 15 AN - UBHD-1252071 ER -