@article {betrie2013predicting,
	title = {Predicting copper concentrations in acid mine drainage: a comparative analysis of five machine learning techniques},
	journal = {Environmental monitoring and assessment},
	volume = {185},
	year = {2013},
	pages = {4171{\textendash}4182},
	publisher = {Springer},
	author = {Betrie, Getnet D and Tesfamariam, Solomon and Morin, Kevin A and Sadiq, Rehan}
}
