@article {iqbal2017inspection,
	title = {Inspection and maintenance of oil \&amp; gas pipelines: a review of policies},
	journal = {Structure and Infrastructure Engineering},
	volume = {13},
	number = {6},
	year = {2017},
	pages = {794{\textendash}815},
	publisher = {Taylor \& Francis},
	author = {Iqbal, Hassan and Tesfamariam, Solomon and Haider, Husnain and Sadiq, Rehan}
}
