The sun in the church

Heilbron, J. L.. The sun in the church: cathedrals as solar observatories / J.L. Heilbron . - Cambridge : London : Harvard University Press, 1999 . - ix, 366 p. ill. 26 cm.
К.: Бібліогр. : c. 305-328, Index
0-674-85433-0 0-674-00536-8