@book{19839,
	author = {Murugeshan, R.},
	title = {Modern physics},
	publisher = {S. Chand & Company},
	year = {2013},
	address = {New Dehli},
	url = {https://libgen.is/book/index.php?md5=239B65412CB436C897419A2E0C54F11F}
}