TY  - BOOK
ED  - World Tourism Organzation.
TI  - Global distribution systems (GDSs) in the tourism industry: Draft
T2  - World tourism forecasting series
PY  - 1995///
CY  - Madrid
PB  - World Tourism Organization
KW  - Tourist trade
KW  - Local
N1  - A study prepared for TWO by Oliver Vialle - 1994
ER  -