TY  - BOOK
AU  - Frankl,Paul
AU  - O'Gorman,James F.
TI  - Principles of architectural history: the four phases of architectural style, 1420-1900 
PY  - 1968///
CY  - Cambridge, Mass.
PB  - MIT Press
KW  - Architecture
KW  - History
N1  - Translation of Die Entwicklungsphasen der neueren Baukunst
ER  -