1. The straight wire appliance: syllabus of philosophy and technique;Andrews,1975
2. The six keys of normal occlusion;Andrews;Am J Orthod,1972
3. Begg Light arch technique;Begg;Am J Orthod,1961
4. Begg orthodontic theory and technique;Begg,1982
5. The Begg technique;Raleigh,1974