TY  - BOOK
AU  - Dizer, Mnammer
ED  - Symposium of the Observatories in Islam [1977]
TI  - International symposium on the observatories in Islam, september 19-23, 1977
U1  - 522.1 
PY  - 1980///
CY  - Istambul
PB  - Milli Egitim Basimevi
KW  - Astronomical instruments - Islamic aspects
ER  -