00445nas a2200145   4500000000100000000000100001008004100002260003800043100002000081700002600101700001600127700001700143700002300160245011600183       2018                            d  c20-21 Sept. 2018a Lviv, Ukraine 1 aOleg Ivanchenko1 aVyacheslav Kharchenko1 aBoris Moroz1 aLeonid Kabak1 aSerhii Konovalenko00aRisk Assessment of Critical Energy Infrastructure Considering Physical and Cyber Assets: Methodology and Models