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| Important: The number of persons is not firm. The final number of persons could be told on the date of visit a the group ticket counter. Tickets are issued and payed there. |
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| Spring and autumn offer 2013: for further supervisors (valid from March 23 - June 30) | |
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| Summer offer 2013 (valid from July 1 - September 11) | |
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| Additional for all groups: | |
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| With * marked fields have to be filled in | |