@book{66941,
	author = {Bhaskararao, B.K},
	title = {A Text on Petro Chemicals},
	publisher = {Khanna Publishers,},
	year = {2008.},
	address = {New Delhi:},
	url = {https://books.google.com.pk/books?id=6SO-uQEACAAJ&dq=a+textbook+on+petrochemicals+bhaskara+rao&hl=en&sa=X&redir_esc=y}
}