na INLIS000000000000184 20190117115137 0010-0119000184 Oslo opera house / editor, Jon Otterbeck 158 hlm. : ilus. ; 29 cm. Jon Otterbeck Oslo : Opera Forlag, [s.a] 728.099 821 728.099 821 OSL 978-82-92845-04-2 Oslo Arsitektur Bangunan 2019/00199