1. Ekman, V. W., 1905: The influence of the earth's rotation on ocean currents. Arkiv. Mat. Astron. Fysik, 2, (11).
2. Faller, A. J., and R. Kaylor, 1969: Oscillatory and transitory Ekman boundary layers. Deep-Sea Res., Suppl. to 16, 45-58.
3. Fjeldstad, J. E., 1930: Emn Problem aus der Windstrom theorie. Z. Angez. Mech., 10, 121-137.
4. Ozmidov, R. B., 1959: A generalization of the theory of the non-stationary part of the Ekman drift currents for the case of an arbitrary wind. Dokl. Akad. Nauk SSSR, 128 (5), 913-916.
5. Sarkisyan, A. S., 1957: Non-stationary wind driven currents in a homogeneous ocean. Izv. Akad. Nauk SSSR, Ser. Geofiz. (8), 1008-1019.