1. Chen, G.B., Gan, Z.H., Thummes, G., Heiden, C., “Thermodynamic performance prediction of pulse tube refrigeration with mixture fluids,” Cryogenics, vol. 40 (2000), pp. 262–267.
2. Gan, Z.H., Chen, G.B., Thummes, G., Heiden C., “Experimental Study on Pulse Tube Refrigerator with Helium and Nitrogen Mixtures,” Cryogenics, vol. 40 (2000), pp. 333–339.
3. Yu, J.P., Chen, G.B., Gan, Z.H., et al., “Discussion on regenerator performance improvement with binary gas mixture,” Proceeding of ICEC-17, Institute of Physics Publishing (1998), pp. 117–122.
4. Chen, G.B., Yu, J.P., Gan, Z.H., Jin, T., “Experimental investigation on pulse tube refrigerator with binary mixtures,” Adv. in Cryogenic Engineering, Vol. 45A, Kluwer Academic/Plenum Publishers, New York (2000), pp. 183–187.
5. Chen, G.B., Gan, Z.H., Qiu, L.M., Yu, J.P., “Pulse tube refrigeration with a cooling and freezing combined cycle for HTSC devices,” Cryocoolers 11, Kluwer Academic/Plenum Publishers, New York (2001), pp. 291–300.