. "H.-J. Kertscher" . . . "Kertscher" . . "Kertscher, Hans-Joachim" . "H.-J." . _:B207550cb84e65e9e475c21aff8bbb2ff . "Kertscher, H.-J." . _:B207550cb84e65e9e475c21aff8bbb2ff . _:B207550cb84e65e9e475c21aff8bbb2ff . _:B207550cb84e65e9e475c21aff8bbb2ff "2023-05-20"^^ . _:B207550cb84e65e9e475c21aff8bbb2ff . _:B207550cb84e65e9e475c21aff8bbb2ff . _:B207550cb84e65e9e475c21aff8bbb2ff "122140702" . _:B207550cb84e65e9e475c21aff8bbb2ff . _:B207550cb84e65e9e475c21aff8bbb2ff . _:B207550cb84e65e9e475c21aff8bbb2ff .