Review of European flyways of the Lesser White-fronted Goose Anser erythropus : a report to the UNEP/AEWA Secretariat /
Marchant, John H.
Musgrove, A. J.
British Trust for Ornithology.
Thetford, United Kingdom : British Trust for Ornithology,
2013.
Includes bibliographic references : p. 45-50.