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Migration Probabilities
Kulldorff, Gunnar, (1955)
Model migration schedules
Rogers, Andrei, (1981)
Geographic perspectives in migration research : A bibliographical survey
Bennett, D. G., (1979)
The use of stated preference methods to value cultural heritage
Willis, Kenneth G., (2014)
The priceless countryside : the recreational benefits of environmental goods
Willis, Kenneth G., (1991)
Valuing non-market wildlife commodities : an evaluation and comparison of benefits and costs
Willis, Kenneth G., (1990)