Beteil. Körp. 1980,Dez. - 1981,Juni: Crop Reporting Board, Economics and Statistics Service, US Department of Agriculture; 1981,Sept.: ..., Statistical Reporting Service. - Urh. bis 1978,2: US Department of Agriculture, Statistical Reporting Service, Crop Reporting Board
Mikrofiche-Ausg.: Washington, DC : US Gov.Print.Off.
Beteil. Körp. 1980,Dez. - 1981,Juni: Crop Reporting Board, Economics and Statistics Service, US Department of Agriculture; 1981,Sept.: ..., Statistical Reporting Service. - Urh. bis 1978,2: US Department of Agriculture, Statistical Reporting Service, Crop Reporting Board
Mikrofiche-Ausg.: Washington, DC : US Gov.Print.Off.