In the mathematical subfield of differential geometry Pfaffian forms a...
Anton Freiherr von Petz ( born January 21, 1819 in Austro- Hungarian V...
Cheyenne County is a county located in the state of The administrative...
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Josef Svoboda ( born May 10, 1920 in Čáslav, † April ...
The rat -like hamsters ( Tscherskia triton ) is a rodent ...