TY - GEN AU - Gambhir, R.S. AU - Banerjee, D. ; Durgapal, M.C. TI - Foundation of physics Vol; 2: electromagnetics, optics and modern physics SN - 8122405231 U1 - 530 PY - 1993/// CY - New Delhi PB - Wiley Eastern Limited KW - PHYSICS ER -