TY  - BOOK
AU  - Burkart, A J
AU  - Medlik S
TI  - Tourism: past , present and future
U1  - 910 
PY  - 1976///
CY  - London
PB  - Heinemann
KW  - Tourism
KW  - 1. Tourism. 1. Medlik S. 2. Title
ER  -