@article {oner2008economic,
	title = {Economic lot scheduling with uncontrolled co-production},
	journal = {European Journal of Operational Research},
	volume = {188},
	number = {3},
	year = {2008},
	pages = {793{\textendash}810},
	publisher = {Elsevier},
	author = {{\"O}ner, Selma and Taner Bilgi{\c c}}
}
