00338nam a2200133Ia 4500001000500000005001700005008004100022020001500063082001400078100002000092245004100112260002000153650003100173546420261006003850.0120911s9999    xx            000 0 und d  a0134653785  a004.6 COM  a Comer,douglas   aInternetworking with tcp/ip vol. 11   a Prentice hall   a Excel (computer program)