TY - GEN AU - Pandey,J.P. TI - Photonic band gap material SN - 978935234 0248 : U1 - E 530.1 23rd PY - 2016/// CY - New Delhi PB - Ayushman Publication House KW - Electronics KW - Materials KW - Crystal optics KW - Quantum optics N1 - Includes bibliographical references ER -