_:B41c547df518dd3845bb11f69e3be15a6 . _:B41c547df518dd3845bb11f69e3be15a6 "1923-12-31" . _:B41c547df518dd3845bb11f69e3be15a6 . _:B3e6eb72bb24d9385de8c11b8aa1b518c "1923-01-01" . _:B3e6eb72bb24d9385de8c11b8aa1b518c . _:B3e6eb72bb24d9385de8c11b8aa1b518c . "Books volume 16"@en . . "Bredig, Georg. Denkmethoden der Chemie. Leipzig"@en . . "aspace_4db0402ff1bb6b60724f9e7dfb034859" . . _:B41c547df518dd3845bb11f69e3be15a6 . _:B3e6eb72bb24d9385de8c11b8aa1b518c . .