1. Y.F. Zhang and G.X. Peng: China Packaging News, 2008. (In Chinese).
2. G.E. Ponchak, D. Chun; J.G. Yook and L.P.B. Katehi: Advanced Packaging, IEEE Transactions on, Vol. 24 (2001) No. 1, p.76–80.
3. Y.F. Cao, Z.H. Zhong and Y.Z. Lu: Journal of Hunan University (Natural Science), Vol. 29 (2002) No. 1, pp.74-79. (In Chinese).
4. A. Chaehoi, F. Mailly, L. Latorre and P. Nouet: Sensors and Actuators. A: Physical, Vol. 132 (2006) No. 1, p.78–84.
5. J.S. Wang: Food and Machinery, Vol. 22 (2006) No. 1, pp.66-68. (In Chinese).