"Eilmer of Malmesbury, an Eleventh Century Aviator: A Case Study of Technological Innovation, Its Context and Tradition", "Technology and Culture" 2 (2), p. 97–111 [100f.
"Eilmer of Malmesbury, an Eleventh Century Aviator: A Case Study of Technological Innovation, Its Context and Tradition", "Technology and Culture" 2 (2), p. 97–111 [100f.