A new application of echo-sounding

[1] Sampling lake deposits [J]. NATURE, 1938, 142 : 834 - 835

[2] Mill H.R, 1895, GEOGR J, V6, P46, DOI 10.2307/1773952

[3] MILL HR, 1895, GEOGR J, V6, P135

[4] MORTIMER CH, IN PRESS GEOG J

[5] The development of vegetation in the English Lakes, considered in relation to the general evolution of glacial lakes and rock basins. [J]. PROCEEDINGS OF THE ROYAL SOCIETY OF LONDON SERIES B-CONTAINING PAPERS OF A BIOLOGICAL CHARACTER, 1921, 92 (647) : 259 - 284

[6] Multiple reflections in echo sounders on soft ground. [J]. NATURWISSENSCHAFTEN, 1935, 23 : 387 - 389

[7] Investigations of type and stratification of the sea floor with the help of high-frequency echo sounders. [J]. NATURWISSENSCHAFTEN, 1935, 23 : 383 - 387

[1] Sampling lake deposits [J]. NATURE, 1938, 142 : 834 - 835

[2] Mill H.R, 1895, GEOGR J, V6, P46, DOI 10.2307/1773952

[3] MILL HR, 1895, GEOGR J, V6, P135

[4] MORTIMER CH, IN PRESS GEOG J

[5] The development of vegetation in the English Lakes, considered in relation to the general evolution of glacial lakes and rock basins. [J]. PROCEEDINGS OF THE ROYAL SOCIETY OF LONDON SERIES B-CONTAINING PAPERS OF A BIOLOGICAL CHARACTER, 1921, 92 (647) : 259 - 284

[6] Multiple reflections in echo sounders on soft ground. [J]. NATURWISSENSCHAFTEN, 1935, 23 : 387 - 389

[7] Investigations of type and stratification of the sea floor with the help of high-frequency echo sounders. [J]. NATURWISSENSCHAFTEN, 1935, 23 : 383 - 387