TY  - BOOK
AU  - Heek,Andre'.
TI  - International directory of professional astronomical institutions: together with related items of interest = Repertoire international des institutions astronomiques professionnelles : ainsi que d'autres entrees d'interet general 
T2  - Historical Conservation Society
PY  - 1988///
CY  - Strasbourg
PB  - Observatorie Astronomique
KW  - Merchant marine
KW  - Spain
KW  - History
KW  - Colonies
KW  - Philippine Islands
KW  - Communication
ER  -