http://reply.papertrans.cn/1/50/4985/4985-21.png
http://reply.papertrans.cn/1/50/4985/4985-22.png
http://reply.papertrans.cn/1/50/4985/4985-23.png
Submitted on: 07 November 2000.
Revised on: 07 February 2001.
Accepted on: 04 April 2001.
___________________CELLULOSE---SPRINGER
http://reply.papertrans.cn/1/50/4985/4985-25.png
http://reply.papertrans.cn/1/50/4985/4985-26.png
http://reply.papertrans.cn/1/50/4985/4985-27.png
http://reply.papertrans.cn/1/50/4985/4985-28.png
http://reply.papertrans.cn/1/50/4985/4985-29.png
Submitted on: 27 February 1999.
Revised on: 14 April 1999.
Accepted on: 04 May 1999.
___________________CELLULOSE---SPRINGER