selected publications academic article Analysis of Distance Learner Value Assessment of Distance Education in Engineering. Journal of Professional Issues in Engineering Education and Practice. 140. 2014-01-01 In Situ Graphite Lubrication of Metallic Sliding Electrical Contacts. Wear. 267:1462-1469. 2009-09-01 Temperature and Water Vapor Pressure Effects On the Friction Coefficient of Hydrogenated Diamondlike Carbon Films. Journal of Tribology-Transactions of the Asme. 131. 2009-07-01 Effects of Laser Repetition Rate On Corneal Tissue Ablation for 193-Nm Excimer Laser Light. Lasers in Surgery and Medicine. 40:483-493. 2008-09-01