Identifying the provenance of Leach's storm petrels in the North Atlantic using polychlorinated biphenyl signatures derived from comprehensive two-dimensional gas chromatography with time-of-flight mass spectrometry

David Megson, Thomas A. Brown, Glenn W. Johnson, Gwen O'Sullivan, Anthony W. J. Bicknell, Stephen C. Votier, Maeve C. Lohan, Sean Comber, Robert Kalin, Paul J. Worsfold