EVALUATION OF STRESS IN STEEL STRUCTURES USING ELECTROMAGNETIC METHODS BASED ON UTILIZATION OF MICROSTRIP ANTENNA SENSOR AND MONITORING OF AC MAGNETIZATION PROCESS. IAPGOS [Internet]. 2016 Dec. 22 [cited 2026 Sep. 15];6(4):32-6. Available from: https://ph.pollub.pl/index.php/iapgos/article/view/1217