Literature cited
- A. C. Nielson Company, “42nd Annual Nielson Review of Retail Grocery Trends” as reported in Chain Store Age. pp. 53–84 (October, 1977).
- Handy, C. and Hager, C, “Changes in Consumer Satisfaction with Food Products and Services.” U.S. Dept. of Agr. National Food Situation, 159, pp. 24–27, (March, 1977).
- McConnell, D. R., “The Impact of Microwaves on the Future of the Food Industry: Domestic and Commercial Microwave Ovens”. J. Microwave Power, 8, pp. 123–127 (1973).