Paul J. Achtemeier, "The Lucan Perspective on the Miracles of Jesus: A Preliminary Sketch." JBL 94 (1975): 547-562.
Achtemeier compares Luke's use of miracles with Mark's and Matthew's and concludes: (1) Luke attempts to balance Jesus' miracles and teaching to give each equal weight; (2) The miracles validate Jesus; (3) The miracles also validate faith in Jesus; (4) Luke toned down the magical aspects of Jesus' miracles.