Commission Regulation (EEC) No 3831/89 of 20 December 1989 amending for the second time Regulations (EEC) No 2209/87 and (EEC) No 2319/88 fixing certain coefficients applicable to cereals exported in the form of certain spirituous beverages for the periods 1987 to 1988 and 1988 to 1989 and fixing certain coefficients for the period 1989 to 1990.