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Issue Date	Title	Author(s)
1999	The Role of Site Selection on Localizing Ground Flashes in an Automated Lightning Detection Network	Sonnadara, D.U.J.; Fernando, I.M.K.; Namasivayam, S.; Ariyaratne, T.R.; Jayaratne, K.P.S.C.
1999	Parallel Port Based Data Acquisition System for IBM or Compatible Personal Computers	Dedigama, A.R.; Sonnadara, D.U.J.
1998	Low Cost Data Acquisition and Control Systems for Personal Computers	Jayananda, M.K.; Sonnadara, D.U.J.
1998	An Electronic Surveillance System for Night-Flying Birds (Bats)	Edirisinghe, C.M.; Sonnadara, D.U.J.; Yapa, V.
1997	A Computerized Temperature Control System	Weerasinghe, W.A.T.; Sonnadara, D.U.J.
1997	An Investigation of Digital Filtering Techniques	Fernando, L.M.T.D.; Sonnadara, D.U.J.; Ranasinghe, D.N.
1997	Use of BBC Micro Computers in Physics	Rodrigo, B.M.A.; Sonnadara, D.U.J.
2010	Evidence of self organized criticality in rainfall	Wijesekera, H.M.; Sonnadara, D.U.J.
2010	Analysis of Lightning activities over Sri Lanka using Satellite data	Perera, M.M.; Sonnadara, D.U.J.
2009	Measurement of noise levels at the vicinity of hospitals	Kalansuriya, C.M.; Sonnadara, D.U.J.; Pannila,A.S.
2008	Community response to road traffic noise	Kalansuriya, C.M.; Pannila, A.S.; Sonnadara, D.U.J.
2007	Measurement and evaluation of road traffic noise levels	Kalansuriya, C.M.; Sonnadara, D.U.J.; Pannila, A.S.
2006	Stochastic modelling of dielectric breakdown	Amarasinghe, D.I.; Sonnadara, D.U.J.
2006	Fractal properties of long sparks	Amarasinghe, D.I.; Sonnadara, D.U.J.
2006	Study of multipliers in programmable logic devices	Wijesinghe, W.A.S.; Jayananda, M.K.; Sonnadara, D.U.J.
2005	Optical signatures of electrical breakdown trajectories in air	Amarasinghe, D.I.; Sonnadara, D.U.J.
2005	Analysis of tortuosity of long laboratory sparks	Amarasinghe, D.I.; Sonnadara, D.U.J.
2002	Development of microcontroller based high capacity standalone data acquisition systems	Sonnadara, D.U.J.; Fernando, B.W.S.P.; Goonetilleke, P.C.C.P.W.; Fernando, I.M.K.
2002	Effect of distance on the measurement of multiplicity and peak currents of lightning direction finding systems	Sonnadara, D.U.J.; Liyanage, J.P.; Edirisinghe, C.M.; Fernando, I.M.K.
2002	Microcontroller embedded web server with flash support	Sonnadara, D.U.J.; Goonetilleke, P.C.C.P.W.; Fernando, W.S.P.; Fernando, I.M.K.