. . _:Be421b1ed7e91ccf55c17f997a519e30a . "Heitsch, Ernst (1928-)" . "Ernst Heitsch" . "Ernst" . . . "1928"^^ . "Heitsch" . _:Be421b1ed7e91ccf55c17f997a519e30a . _:Be421b1ed7e91ccf55c17f997a519e30a . _:Be421b1ed7e91ccf55c17f997a519e30a "2023-05-22"^^ . _:Be421b1ed7e91ccf55c17f997a519e30a . _:Be421b1ed7e91ccf55c17f997a519e30a . _:Be421b1ed7e91ccf55c17f997a519e30a "067643752" . _:Be421b1ed7e91ccf55c17f997a519e30a . _:Be421b1ed7e91ccf55c17f997a519e30a . _:Be421b1ed7e91ccf55c17f997a519e30a .