Where can I learn more about cita niyama?

In https://buddhism.stackexchange.com/questions/2459/what-is-the-buddhist-point-of-view-of-the-law-of-attraction/2487?noredirect=1#comment3190_2487 https://buddhism.stackexchange.com/users/295/suminda-sirinath-salpitikorala says that law of attraction is part of citta niyama. Where can I learn more about it? How come thinking about something affect the outcome that I am thinking about? I know of many ways actually. However, are there complete listings on how this come to be?