. "Piotr" . . "Piotr Wawrzyk" . "Warsaw University"@nl . "Wawrzyk, Piotr" . . _:Bb98c07f66ea0e67bb404cb560eea08de . "Wawrzyk" . "Wawrzyk, P." . _:Bb98c07f66ea0e67bb404cb560eea08de . _:Bb98c07f66ea0e67bb404cb560eea08de . _:Bb98c07f66ea0e67bb404cb560eea08de "2023-05-22"^^ . _:Bb98c07f66ea0e67bb404cb560eea08de . _:Bb98c07f66ea0e67bb404cb560eea08de . _:Bb98c07f66ea0e67bb404cb560eea08de "400996383" . _:Bb98c07f66ea0e67bb404cb560eea08de . _:Bb98c07f66ea0e67bb404cb560eea08de . _:Bb98c07f66ea0e67bb404cb560eea08de .