Olbers, D J MPI for Meteorology, Max Planck Society;
Willebrand, J MPI for Meteorology, Max Planck Society;
1520-0485-1520-0485_1984_014_0203_tlonmi_2_0_co_2.pdf (Publisher version), 686KB
Olbers, D. J., & Willebrand, J. (1984). The level of no motion in an ideal fluid. Journal of Physical Oceanography, 14, 203-212. doi:10.1175/1520-0485(1984)014<0203:TLONMI>2.0.CO;2.