• Erinevad arveldusviisidRaudsepp, OlevEkspordi käsiraamat1998 / lk. 161-176: ill
• On optimizing payments clearance business process – an evolutional approachKumlander, DenissAdvances in computer science : proceedings of the 6th WSEAS European Computing Conference (ECC'12) : Prague, Czech Republic, September 24-26, 20122012 / p. 505-510