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:…P aper |
D iscussion P aper
| D iscussion P aper |
As a cold water species (Winter et al., 1994), with a biogeography spanning the Arctic and sub-polar Northern Hemisphere (McIntyre and Bé, 1967; McIntyre et al., 1970), C. pelagicus could potentially dominate calcite production in this region.
Category: