A. Armstrong, J. Jencks, P. Johnson, M. Westington, M. Sutherland, J. Varner,
Assessing Gaps via Bathymetric Sounding Density,
The International Hydrographic Review,
Volume 20,
2018,
https://ihr.iho.int/articles/assessing-gaps-via-bathymetric-sounding-density/