Category:Seismologists Category: Czech geologistsCategory: Swedish geologists Category: Swedish people of Czech descent Category:Uppsala University faculty Category:1935 births Category:Living peo
Category:Seismologists Category: Czechoslovak geologists‎ Category:20th-century Swedish geologists Category: Czech emigrants to Sweden Category:Uppsala University faculty Category:1935 births Category:Living peo
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Czech geologistsCategory:
Czechoslovak geologists‎ Category:20th-century
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Swedish people of Czech descent
Czech emigrants to Sweden