http://reply.papertrans.cn/1/35/3443/3443-31.png
Submitted on: 18 April 2001.
Revised on: 17 June 2001.
Accepted on: 30 July 2001.
___________________Biochar---SPRINGER SINGAPORE PTE LTD
http://reply.papertrans.cn/1/35/3443/3443-33.png
http://reply.papertrans.cn/1/35/3443/3443-34.png
Submitted on: 15 August 2001.
Revised on: 01 November 2001.
Accepted on: 28 November 2001.
___________________Biochar---SPRINGER SINGAPORE PTE LTD
Submitted on: 28 June 2002.
Revised on: 07 August 2002.
Accepted on: 29 September 2002.
___________________Biochar---SPRINGER SINGAPORE PTE LTD