1. 7) Menotti, S., Hansen, H. N., Bissacco, G., Calaon, M., Tang, P. T. and Ravn, C. : Int. J. Adv. Manuf. Techhnol., 74, 907 (2014)
2. 8) Ito, H., Hariu, A., Takahagi, S., Takayama, T. and Kyotani, T. : Proceeding of the Asian Workshop on Polymer Processing 2010 in Vietnam, 148 (2010).
3. 9) Ito, H., Hariu, A., Takahagi, S., Takayama, T. and Kyotani, T. : Proceedings of the Polymer Processing Society 28th Annual Meeting, PPS-28, KN-04-01 (2012)
4. 10) Ito, H., Hariu, A., Takahagi, S., Takayama, T. and Kyotani, T. : ANTEC 2011 Tech. Paper, 2092 (2011)
5. 18) Michii, T., Seto, M., Yamabe, M., Aoki, G. and Ohtuka, H. : Int. Polymer Processing, 23 (5), 419 (2008)