Dear Prof. XXXXX, 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: XXXXX@mail.http://www.tkpao.com Tel: 86-10-62785001 Fax: 86-10-62785001 Thank you very much for consideration! Sincerely Yours, Dr. XXXXXXXXXXX
2222