@book{57885,
	author = {Ghosh, M. K},
	title = {Optoelectronics: sensors and instrumentation},
	publisher = {Medtec,},
	year = {2014.},
	address = {New Delhi:},
	url = {https://books.google.com.pk/books?id=2cdQzQEACAAJ&dq=optoelectronics+sensors+and+instrumentation&hl=en&sa=X&redir_esc=y}
}