Okay, the first thing to say is that there is no such thing as just an Austrian Dictionary, the reason for this is that although Austria is an independent country of its own, the native language is called Austrian-German or Austro-German. Austrian-German is a dialectic variant of the Germanic languages, specifically the German tongue which is called Deutsch.
Obviously there are individual differences in the variant language. Some key differences between German and Austria can be found at:
members.ping.at
If you learn the German language, you will be well understood in Austria (and probably the Netherlands for that matter too)
If you wish to buy a German dictionary, you can purchase or order one at a local bookshop or perhaps a library. There are hundreds of German dictionaries online. If you are really interested in finding out the differences between German and Austrian-German, a trip to Austria is advised.
Obviously there are individual differences in the variant language. Some key differences between German and Austria can be found at:
members.ping.at
If you learn the German language, you will be well understood in Austria (and probably the Netherlands for that matter too)
If you wish to buy a German dictionary, you can purchase or order one at a local bookshop or perhaps a library. There are hundreds of German dictionaries online. If you are really interested in finding out the differences between German and Austrian-German, a trip to Austria is advised.