Near-surface circulation in the northern North Atlantic as inferred from Lagrangian drifters: Variability from the mesoscale to interannual,
Jakobsen,  P.,  M.   Ribergaard,  D.   Quadfasel,  T.   Schmith, C. Hughes (2003)  (2003),
J. Geophys. Res., 108, C8 p. 3251–3254, 
10.1029/2002JC001554.