http://www.distributed.net/

http://www.borland.com/visibroker/papers/distributed/wp.html

http://java.sun.com/products/javaspaces/tutorials/
http://java.sun.com/products/jdk/1.2/docs/guide/rmi/

http://www-itg.lbl.gov/ITG.html

(Many others from the GOOGLE search:

http://www.google.com/search?q=%22Distributed+Computing%22&num=10&sa=Google+Search )