I wrote an article about biological issues of socionics, but it was in Russian.
Here is the address of the article:

http://www.socioniko.net/ru/1.begin/biology.html

Scroll down the page, and you will find links to more articles below the text.

You can automatically translate it by inserting this address in the input field of the automatic translator:

http://babelfish.altavista.com

You can browse other survey articles using the same automatic translator. Insert into the input field this address:

http://www.socioniko.net/ru/1.begin/index-begin.html