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Geografia w Szkole Published by: Warsaw, Ministerstwo Educacji Narodowej (Poland) Subject: Geography Published: 1948 ISSN: 0137-7566 Available at 1 Universities. | |||
Colloquium Mathematicum Published by: Warsaw, Polska Akademia Nauk, Instytut Matematyczny (Poland) Subject: Mathematics Language: English Published: 1948 ISSN: 0010-1354 Available at 5 Universities. |