here within enclosed is our paper for consideration to be published on "( journal name)". the further information about the paper is in the following:

the title: xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

the authors: xxxxxxxxxx xxxxxxxxxxxx and xxxxxxxxxx

the authors claim that none of the material in the paper has been pub lished or is under consideration for publication elsewhere.

i am the corresponding author and my address and other information is as fol lows,

address: department of xxxxxxxxx,

tsinghua university,

beijing, 10084,

p.r.china

e-mail:

tel: 86-10-62785001

fax: 86-10-62785001

thank you very much for consideration!

sincerely yours,

dr. xxxxxxxxxxx