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Continue to ChatCentral quasipolar rings - https://avesis.ankara.edu.tr/yayin/b9c624b3-4b45-4742-9429-85f412996834/central-quasipolar-rings
Central quasipolar rings - https://avesis.ankara.edu.tr/yayin/b9c624b3-4b45-4742-9429-85f412996834/central-quasipolar-rings