Tillgren, U.; Moqvist, V., 1980: A manual system of food rationing. Jordbruksekonomiska Meddelanden 42(9): 222-233
Pending the introduction of a computerized system the Swedish Agricultural Board has devised a manual system of food rationing in an emergency based primarily on the system operated in the 1939-45 war and covering more or less the same commodities: coffee, tea, cocoa, sugar, meat, flour, tobacco etc.