Ghatak, A. K., & Thyagarajan, K. (1998). An introduction to fiber optics. Cambridge University Press.

Ghatak, A. K., and K. Thyagarajan. An Introduction to Fiber Optics. Cambridge ; New York ; New Delhi: Cambridge University Press, 1998.

Ghatak, A. K., and K. Thyagarajan. An Introduction to Fiber Optics. Cambridge University Press, 1998.