1. BirdLife International, 2001. Threatened Birds of Asia: The BirdLife International Red Data Book. BirdLife International, Cambridge, United Kingdom.
2. The migration routes and the important resting areas of cranes in the Korean Peninsula;Chong,1994
3. Comparing areas of suitable habitats along traveled and possible shortest routes in migration of White-naped cranes Grus vipio in East Asia;Fujita;Ibis,2004
4. The Future of Cranes and Wetlands;Higuchi,1994
5. The importance of the Korean DMZ to threatened crane species in northeast Asia;Higuchi;Global Environmental Research,2000