_:Be6b5f96d537ac194993d309caac9d311 "Projekt Leerpakketontwikkeling Natuurkunde / Utrecht" . _:Be6b5f96d537ac194993d309caac9d311 . _:Ba7da26689bcc012b595d65881c9d8c6a "Rijksuniv. Utrecht etc." . _:Ba7da26689bcc012b595d65881c9d8c6a . _:Bc058d8fda93d79cee6cf2e910cc5b53b . . "Experimentele versie" . . . . "3"^^ . "Mensen en metalen : voor de 2e klas" . "nl" . . "Mensen en metalen : voor de 2e klas / samengest. door de projectgroep van het PLON" . . . _:B39d20c11f38b171dbe16b3bcaa0f5ac3 . _:Be6b5f96d537ac194993d309caac9d311 . _:B36229448eeb712f3d1fb1012d7d6a21b "Utrecht etc." . _:B36229448eeb712f3d1fb1012d7d6a21b . _:Bc058d8fda93d79cee6cf2e910cc5b53b "1983"^^ . _:Bc058d8fda93d79cee6cf2e910cc5b53b _:B36229448eeb712f3d1fb1012d7d6a21b . _:Bc058d8fda93d79cee6cf2e910cc5b53b "1981"^^ . _:Bc058d8fda93d79cee6cf2e910cc5b53b _:Ba7da26689bcc012b595d65881c9d8c6a . _:B39d20c11f38b171dbe16b3bcaa0f5ac3 . _:B39d20c11f38b171dbe16b3bcaa0f5ac3 "2021-10-11"^^ . _:B39d20c11f38b171dbe16b3bcaa0f5ac3 "2006-05-20"^^ . _:B39d20c11f38b171dbe16b3bcaa0f5ac3 . _:B39d20c11f38b171dbe16b3bcaa0f5ac3 . _:B39d20c11f38b171dbe16b3bcaa0f5ac3 "294684050" . _:B39d20c11f38b171dbe16b3bcaa0f5ac3 . _:B39d20c11f38b171dbe16b3bcaa0f5ac3 .