The Polyzoa of the Siboga-expedition : part 1. Entoprocta, ctenostomata and cyclostomata /
Harmer, Sydney F.
The Polyzoa of the Siboga-expedition : part 1. Entoprocta, ctenostomata and cyclostomata / by Sydney F. Harmer. - Leyden : E.J. Brill, 1915. - 180 p. : ill. ; 33 cm. - Siboga-Expeditie ; 28a, livr. 75. .
The Polyzoa of the Siboga-expedition : part 1. Entoprocta, ctenostomata and cyclostomata / by Sydney F. Harmer. - Leyden : E.J. Brill, 1915. - 180 p. : ill. ; 33 cm. - Siboga-Expeditie ; 28a, livr. 75. .