EI Einstein : his life and works Gamalath, K. A. I. L. Wijewardena Biography Biography EIN-A GAM-K 2012 View
IN Introduction to vector spaces in physics Wijewardena Gamalath., K.A.I.L. Text & Reference 530.15 GAM-K Reference 2007 View
IN Introduction to fourier transforms in physics Wijewardena Gamalath, K.A.I.L. General Stack 515.723 WIJ-K 2007 View