References
- Galileo , G. 1974 . Two New Sciences, Including Centers of Gravity and Force of Percussion. , Edited by: Drake , S. Madison, WI : University of Wisconsin Press .
- Feyerabend , P. 1975 . Against Method , London : New Left Books .
- Wallace , W. 1974 . “ Galileo and reasoning “Ex Suppositione” . In PSA 1974 , Edited by: Cohen , R.S. Dordrecht : Reidel .