Rotundas with a Centralised Altar in the 11th and 12th Centuries

[1] Allen Terry, 2008, PISA DOME ROCK

[2] Andas Margrete Syrstad, NIDAROS OFFICE HOLY, V16

[3] Andersen Hakon A., 1995, OLAV KYRRES KRISTKIR, V2

[4] Andreas Jungmann Josef, 1960, SYMBOLIK KATHOLISCHE, V6, P36

[5] Aubert Marcel, 1930, C ARCH FRANC 93 SESS, P219

[6] Biddle Martin., 1999, The Tomb of Christ

[7] Blindheim Martin, 1979, STOLAV SEINE Z SEIN, VVI, P53

[8] Boeck Urs, 1964, BONNER JAHRBUCHER RH, V164

[9] Braun Joseph, 1940, RELIQUARE CHRISTLICH, P85

[10] Buick Sarah, 2005, ART ARCHITECTURE LAT, P315

[1] Allen Terry, 2008, PISA DOME ROCK

[2] Andas Margrete Syrstad, NIDAROS OFFICE HOLY, V16

[3] Andersen Hakon A., 1995, OLAV KYRRES KRISTKIR, V2

[4] Andreas Jungmann Josef, 1960, SYMBOLIK KATHOLISCHE, V6, P36

[5] Aubert Marcel, 1930, C ARCH FRANC 93 SESS, P219

[6] Biddle Martin., 1999, The Tomb of Christ

[7] Blindheim Martin, 1979, STOLAV SEINE Z SEIN, VVI, P53

[8] Boeck Urs, 1964, BONNER JAHRBUCHER RH, V164

[9] Braun Joseph, 1940, RELIQUARE CHRISTLICH, P85

[10] Buick Sarah, 2005, ART ARCHITECTURE LAT, P315