@book { TheEconomicsofOnFarmConservationofCropDiversityinEthiopia,
    title = "The Economics of On-Farm Conservation of Crop Diversity in Ethiopia",
    subtitle = "Incentives, Attribute Preferences and Opportunity Costs of Maintaining Local Varieties of Crops",
    author = "Edilegnaw {Wale Zegeye}",
    year = "2004",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1099185"
}