@article {hirpa2016bi,
	title = {A bi-objective optimization framework for three-dimensional road alignment design},
	journal = {Transportation Research Part C: Emerging Technologies},
	volume = {65},
	year = {2016},
	pages = {61{\textendash}78},
	publisher = {Elsevier},
	author = {Hirpa, Dessalegn and Hare, Warren and Lucet, Yves and Pushak, Yasha and Tesfamariam, Solomon}
}
