. . "art\u00EDculu cient\u00EDficu espubliz\u00E1u en xunetu de 1967"@ast . . . "1967-07-01T00:00:00Z"^^ . . . "7" . "Human dental calculus. Inorganic chemical and crystallographic composition"@nl . "G J Van Campen" . "im Juli 1967 ver\u00F6ffentlichter wissenschaftlicher Artikel"@de . . "829-837" . . "I Lindstrom" . "Human dental calculus. Inorganic chemical and crystallographic composition"@nl . "scientific article published on 01 July 1967"@en . . "Human dental calculus. Inorganic chemical and crystallographic composition"@en . "Human dental calculus. Inorganic chemical and crystallographic composition"@nl . . "5231454" . "12" . . "Human dental calculus. Inorganic chemical and crystallographic composition"@en . "P Gron" . . . "Human dental calculus. Inorganic chemical and crystallographic composition"@en . . "wetenschappelijk artikel"@nl . . . "Human dental calculus. Inorganic chemical and crystallographic composition"@en . "\u043D\u0430\u0443\u043A\u043E\u0432\u0430 \u0441\u0442\u0430\u0442\u0442\u044F, \u043E\u043F\u0443\u0431\u043B\u0456\u043A\u043E\u0432\u0430\u043D\u0430 \u0432 \u043B\u0438\u043F\u043D\u0456 1967"@uk . "10.1016/0003-9969(67)90105-7" . .