. "Ã…rhundrets norske boligprosjekter : 1900-2000 / [Johan-Ditlef Martens], [2000]. - . - BN Service scandinave. - . -"@fr . "Martens" . . . "2013-07-31"^^ . . . . . "Architecte"@fr . "Johan-Ditlef Martens" . . "Johan-Ditlef" . . "2013-07-31" . . . . . "Johan-Ditlef Martens"@fr . "Architecte" . . . "VIAF" . "0000000043896573" . . . "1946"^^ . . "2001-01-11" . "Architecte" . . "13601787"^^ . .