Herring WL, Herrmann JW. The single-day surgery scheduling problem: sequential decision-making and threshold-based heuristics. OR spectrum: quantitative approaches in management. 2012 Apr 1;34(2):429-59.
Lovas K, Geher P, Whalley D, McKenna S, Meads D, Kalo Z. Hungarian adaptation of a disease-specific quality-of-life questionnaire in patients with ankylosing spondylitis. Orv Hetil. 2002 Aug 11;43(32):1893-7.
Reed (Earnshaw) SR, Reed JH, Stuhldreher TJ. Transaction costs, taxes, and portfolio revision. J Contemp Bus Issue. 1997;5:40-8.