Springfield Education Ass'n v. Springfield School District No. 19 , 290 Or. 217 ( 1980 )
City of Roseburg v. Roseburg City Firefighters, Local No. 1489 , 292 Or. 266 ( 1981 )
Portland Firefighters Ass'n v. City of Portland , 86 Or. App. 662 ( 1987 )