TY  - BOOK
AU  - Waldman, Carl
AU  - Wexler, Alan
TI  - Encyclopedia of exploration : places, technologies, and cultural trends
SN  - 9788130914138
U1  - 910.922 WAL 
PY  - 2010///
CY  - New Delhi
PB  - Viva Books
KW  - Geography -- Encyclopedia
ER  -