636 N.W.2d 645 CITY OF LINCOLN, NEBRASKA, A MUNICIPAL CORPORATION, DOING BUSINESS AS LINCOLN ELECTRIC SYSTEM, AND MIDAMERICAN ENERGY COMPANY, APPELLEES, v. NEBRASKA PUBLIC POWER DISTRICT, APPELLANT. No. A-00-421.Nebraska Court of Appeals. Filed December 18, 2001. 1. Declaratory Judgments. A suit for declaratory judgment is an action sui generis and may involve questions of law […]