p10.
Brendan Larvor (1998), Lakatos: An Introduction, pp 54–55; Alan Musgrave, “Method or Madness?” and William Berkson, “Lakatos One and Lakatos Two: An Appreciation”, both in Robert S. Cohen, Paul K. Feyerabend and Marx W. Wartofsky, eds. (1976), Essays in Memory of Imre Lakatos. See especially pp 473 and 53.