TY  - BOOK
AU  - Engel J Ronald Ed.
AU  -  Engel Joan Gibb Ed.
TI  - Ethics of environment and development :  Global cha   
U1  - U:(G:55).1.N9, N0 
PY  - 1990///
CY  - London
PB  - Belhaven Press U K       
KW  - Geography - Environment
ER  -