Frederik Wisse, The Profile Method for the Classification and Evaluation of Manuscript Evidence, as Applied to the Continuous Greek Text of the Gospel of Luke, William B. Eerdmans Publishing (Grand Rapids, 1982), p. 52, 64, 100.
The Greek New Testament, ed. K. Aland, A. Black, C. M. Martini, B. M. Metzger, and A. Wikgren, in cooperation with INTF, United Bible Societies, 3rd edition, (Stuttgart 1983), p. XVI.