00337nam a2200133Ia 4500001000500000005001700005008004100022020001500063082001200078100001700090245003300107260001900140650004400159465320261006003810.0120911s9999    xx            000 0 und d  a0412437007  a384 ORE  aJ.J.O'reilly  aTelecommunication principles  aChapman & Hall  aForeign trade Policies of governments