Ritter, W. E. (1899). A contribution to the knowledge of the tunicates of the Pribilof Islands. In: Jordan, D.S., Fur seals and fur-seal islands of the north Pacific ocean. Washington. pt.3: 511-537.
43666
Ritter, W. E.
1899
A contribution to the knowledge of the tunicates of the Pribilof Islands
In: Jordan, D.S., Fur seals and fur-seal islands of the north Pacific ocean. Washington