. . . "Croll" . "1927"^^ . . "Gerhard Croll" . _:B87423710f9980e7ee649d471254cb4ac . "Croll, Gerhard (1927-)" . "Gerhard" . _:B87423710f9980e7ee649d471254cb4ac . _:B87423710f9980e7ee649d471254cb4ac . _:B87423710f9980e7ee649d471254cb4ac "2023-05-21"^^ . _:B87423710f9980e7ee649d471254cb4ac . _:B87423710f9980e7ee649d471254cb4ac . _:B87423710f9980e7ee649d471254cb4ac "071986944" . _:B87423710f9980e7ee649d471254cb4ac . _:B87423710f9980e7ee649d471254cb4ac . _:B87423710f9980e7ee649d471254cb4ac .