One hundred years birth anniversary of Professor Zdzislaw Czeppe (1917-1991)
1234-1754
http://www.geol.agh.edu.pl/~bipo/BiPo_0021/0021_01.pdf
http://www.klubpolarny.pl/wp-content/uploads/2018/07/BiPo_21_22.pdf
2019-03-28