共 50 条
[41]
Farmers’ willingness to contribute to the restoration of an Ethiopian Rift Valley lake: a contingent valuation study
[J].
Environment, Development and Sustainability,
2021, 23
:10646-10665
[49]
STRUCTURE AND DEVELOPMENT OF THE UPPER-RHINE RIFT-VALLEY - RESULTS OF RESEARCH - GERMAN - PFLUG,R
[J].
MITTEILUNGEN DER OSTERREICHISCHEN GEOGRAPHISCHEN GESELLSCHAFT,
1984, 126
:165-165