GHATAK AJOY/ THYOGARAJAH K, . (2011). INTRODUCTROY FIBER OPTICS. PUNE: CAMBRIDGE UNIVERSITY PRESS.
GHATAK AJOY/ THYOGARAJAH K, . 2011. INTRODUCTROY FIBER OPTICS. PUNE: CAMBRIDGE UNIVERSITY PRESS.
GHATAK AJOY/ THYOGARAJAH K, . INTRODUCTROY FIBER OPTICS. PUNE: CAMBRIDGE UNIVERSITY PRESS. 2011.