@book{28168,
	author = {Tester, Jefferson W.},
	title = {Sustainable energy},
	publisher = {PHI Learning},
	address = {New Dehli},
	edition = {2nd},
	url = {https://libgen.is/book/index.php?md5=595E67B7A19CB5AAE9B9033516F73B80}
}