Google Scholar turned up a hit for this 42 page paper by a gentleman named Ian Kirk who s apparently a professor at Goldsmiths College According to his personal website it was written while he was pursuing his masters degree but there s no publication information listed It discusses among other things the ambiguity of the ending Is that worth adding as a cite Also I found a citation for the deleted dream sequence in Google book search It s on pages 111 and 112 of the book Who Wrote That Movie Screenwriting in Review 2000 2002 by Chris C Wehner ISBN 0595292690