COMMISSION REGULATION (EC) No 1019/95 of 5 May 1995 amending Regulations (EC) No 953/94, (EC) No 1077/94, (EC) No 1078/94, (EC) No 1080/94, (EC) No 2162/94 and (EC) No 2477/94 opening standing invitations to tender for the export of cereals held by the intervention agencies