1. 1. The National Swedish Agricultural Market Board, Jonkoping, Sweden. The Journal of Agricultural Economics: 1968 No. 7-8; 1970 No. 7-8; 1978 No. 7-8, 9; 1980 No. 7; 1983 No. 7-8; 1987 No. 7-8. Foodstuff Consumption: 1982-1984; 1985-02-26; 1984-1986;1987, 03 -02 .
2. 2. Federation of Swedish Food Industries , Stockholm, Sweden.