TY  - GEN
AU  - Heinle, Erwin
AU  - Leonhard, Fritz
TI  - Towers : a historical survey
SN  - 0-408-04306-7
PY  - 1988///
CY  - London
PB  - Butterworth Architecture
KW  - ARCHITECTURE-CHURCH ARCHITECTURE
KW  - ARCHITECTURE-TOWERS
ER  -