Look for papers with the author as the first author or correspondent in HowNet, VIP and Wanfang. When reading the paper, there will be detailed information of the correspondent of the article, including the mailbox of the correspondent. You can contact the author by email.

Paper download mode

First, register an account on the website of the National Library of China. Enter HowNet, then search for literature through keyword I, then copy the title of the article you need, then enter HowNet from the entrance of the National Library, search for the title you just copied, and you can download it. You can download these journal papers for free after logging in.

Second, the superstar mobile library, but wait and push, slow. How to use it: First of all, if you are a student, you have a school library account, usually your student number. Superstar mobile library has web version, PC version, mobile phone version and Apple version. Choose a school, log in with the school library account, bind the mailbox, search for the desired document, and then select document push.

Third, the school VPN. Major universities have basically provided VPN, and off-campus users can use vpn2 to log in and enter from "Library Electronic Resource Navigation".

Fourthly, go to China Knowledge Network and select journals or papers according to the download volume and citation volume. There are many documents, but you can't see the complete article. After that, open the website of Daoke Baba and search for the title of the article. You can basically find the complete article, but you can't download it for free. Download Haina Baichuan software, and you can download the PDF version directly for free for articles specifically aimed at Daoke Baba.