Great Britain. Ministry of Defence (Navy). Hydrographic Dept.
注記:
Tidal stream atlas, c1979: p. 30 (Hydrographic Department, Ministry of Defence, Taunton, Somerset)
EDSRC:White Sea pilot : comprising the coast of the U.S.S.R. from Reka Yakobsel'v to Mys Belyy Nos, Proliv Yugorskiy Shar, including the White Sea(Hydrographic Department, Admiralty, 1958)