003410000a22001330004500020001600000060000800016082001600024100002100040245002000061260003500081260000900116300000800125650007400133  a00870553615  a100  a641.302 GUT  aGuthrie, Rufus K  aFood sanitation  aConnecticut, AVI Publishing Co  c1980  a326  aFood handling/ Sanitation/ Sanitary science/ Food processing industry