TY  - BOOK
AU  - Cochrane, Janet.
TI  - Expedition field techniques: ecotourism surveys 
SN  - 0907649653
PY  - 1994///
CY  - London
PB  - Expedition Advisory Centre
KW  - Ecotourism
N1  - Includes bibliographical references (p. 26-34)
ER  -