- 15 - 
Sy, A. (1987b) 
Untersuchungen zum großskaligen Feld der Zirkulation des 
Nordatlantiks im Bereich des Mittelatlantischen Rückens. Dt. 
Hydrogr. Z., Ergänzungsheft 19., 123 pp. 
Sy, A. (1988) 
Investigation of large-scale circulation patterns in the 
central North Atlantic: the North Atlantic Current, the 
Azores Current, and the Mediterranean Water plume in the 
area of the Mid-Atlantic Ridge. Deep-Sea Res., ¿5, pp 383- 
413 . 
WMO (1984) 
Manual on Codes, Vol. 1, WMO-No. 306 
WOCE IPO (1988) 
World Ocean Circulation Experiment - Implementation Plan, 
Vol. 1 (WMO/TD No. 242) and 2 (WMO/TD No. 243).