To camelcase or under_score. - David W. Binkley; Marcia Davis; Dawn J. Lawrie; Christopher Morrell (ICPC, 2009)

The impact of identifier style on effort and comprehension. - Dave W. Binkley; Marcia Davis; Dawn J. Lawrie; Jonathan I. Maletic; Christopher Morrell; Bonita Sharif (Empir. Softw. Eng., 2013)