1. Status of the KSTAR tokamak construction;Bak,2005
2. Y.S. Kim, H.-S. Chang, K.W. Cho, Technical requirement for the KSTAR Helium Refrigeration System, Internal Report, 2004.
3. P. Dauguet, E. Fauve, KSTAR Helium Refrigeration System Technical Proposal, Internal Report, 2005.
4. Air liquide cryogenic system for the KSTAR device;Briend,2004
5. Design issues of the distribution valve box of the KSTAR helium refrigerator;Chang,2004