TY  - BOOK
AU  - Aich, Jayanta
AU  - Majumdra, Angshuman 
AU  - Gangopadhyay, Sankar
AU  - Maiti, Anup Kumar
TI  - Launch optics, optical devices and propagation parameters in optical fiber: prescription of user friendly but accurate formalism for necessary study 
U1  - 621.3827 
PY  - 2022///
CY  - Kolkata
PB  - Brainware University 
KW  - launch optics
KW  - optical devices
ER  -