TY  - BOOK
AU  -  Gamperil,Ursula
TI  -  Impact hypotheses : :  development and its nvironmental impacts / 
U1  -  551.302 
PY  - 1994///
CY  -  Berne  : 
PB  -  Swiss Development Cooperation, 
KW  -  Enviromental degradation
KW  -  Erosion
N1  -  Includes bibliographical references
ER  -