Becker W., Lennernäs M., Gustafsson I.-B., Haraldsdóttir J., Nydahl M., Vessby B. and Ytterfors A. (1998) “Precoded food records compared with weighed food records for measuring dietary habits in a population of Swedish adults”, Food & Nutrition Research, pp. 145-149. doi: 10.3402/fnr.v42i0.1758.