Chinese and foreign readers, there are two ways you can get my Theory of Soil. one way is you enter my Website to download directly its whole text, my Website address：www.tuyelt.com. Theory of Soil, same as Three Series of Literatures of AST (2012 edition), was made one disk by me. another way is that please send your address to me, then I will mail a disk to you free, at least 100 CDs every month. By computer you can read it. You are welcome to contact with me.
Address：Retirees’Office of the Research Institute of Exploration and Development of Liaohe Oil Field Liaoning Province, P.R.China
Mobile Telephone Number：13043864167
(to be proofread)