Research
A guide to research on a specific topic.
To begin with, you should look at the review articles. You can find a bibliography in them. Review articles can be found in encyclopedias. Look Reference.
Wikipedia articles have a bibliography.
DuckDuckGo gives out good materials, in which you can also find literature on the topic.
And finally, you can look at this universal bibliography:
https://rutracker.org/forum/viewtopic.php?t=6314400
And then go to look for: