@article {16366,
	title = {Reliability considerations for process network synthesis problems},
	journal = {CENTRAL EUROPEAN JOURNAL OF OPERATIONS RESEARCH},
	volume = {22?},
	year = {2013},
	issn = {1435-246X},
	author = {Cs. Holl{\'o}}
}
@article {HII09,
	title = {Reduction techniques for the {PNS} problems: a novel technique and a review},
	journal = {Optimization and Engineering},
	volume = {10},
	number = {3},
	year = {2009},
	pages = {351-361},
	author = {Cs. Holl{\'o} and B. Imreh and Cs. Imreh}
}
