চিত্র:Instytut Radowy im. Marii Skłodowskiej-Curie - uroczystość poświęcenia kamienia węgielnego pod budowę Instytutu (1-N-813-3).jpg

এই কর্মটি এর উৎস দেশে পাবলিক ডোমেইনে রয়েছে এবং অন্যান্য দেশ ও অঞ্চলে যেখানে কপিরাটের সময়সীমা হচ্ছে লেখকের জীবন যোগ ৭০ বছর বা তাঁর কম।

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