1. The psychology of written composition;Bereiter,1987
2. How the writing medium shapes the writing process: Effects of word processing on planning;Haas;Research in the Teaching of English,1989
3. A study of professional and experienced writers revising and editing at the computer and with pen and paper;Lutz;Research in the Teaching of English,1987
4. Revising the plan and altering the text;Matsuhashi,1987
5. Trace-it user's manual;Nilsson,1993