TY - GEN AU - Arora,C.L. TI - Refresher course in physics : : for B.Sc. Students SN - 812190465x U1 - 530 ARO 1 PY - 1957///. CY - New Delhi : PB - S. Chand & Company Ltd., KW - Waves, vibrations and E.M. theory KW - Electricity--Magnetism ER -