And these

http://lib.stat.cmu.edu/joint94/Abstracts/0343
http://66.102.7.104/search?q=cache:x6sNIOZzTqQJ:strategis.ic.gc.ca/epic/internet/ineas-aes.nsf/vwapj/wp04e.pdf/%24FILE/wp04e.pdf+"jack+lothian"&hl=en&ie=UTF-8
http://66.102.7.104/search?q=cache:7Z7Jeb_NjhgJ:publish.uwo.ca/~mbgreen/control.pdf+"jack+lothian"&hl=en&ie=UTF-8