00280nam a2200109Ia 4500008004100000041000800041082002000049100002300069245003300092260003700125300000800162211209s1984    xx            000 0 und d  aeng  a005.133 N84 WEB  aWEBER SYSTEMS INC.  aC LANGUAGE USER'S HAND BOOK   aNEW YORKbBALLANTINE BOOKSc1984  a489