Evaluate the collective function of references cited together in a given text segment.
Classify their combined role into one of the following categories: 'method', 'background', or 'result'.

Text:…the NWMoroccanmargin is ∼3.5 mm yr−1 in a WNW direction, predicted from paleo-
magnetic field measurements and slip vectors [Argus et al., 1989], from numerical models [Jiménez‐Munt and Negredo, 2003] and from GPS data [e.g., Calais et al., 2003; Nocquet and Calais, 2004; Fernandes et al., 2007].
Category: