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For the fifth time this year, we would like to invite you to participate in the Analytical Challenge, which is a series of puzzles to entertain and challenge our readers. We hope that you not only find this feature stimulating but that it provides you with points of further interest for your work and study. And please note: there is a prize to be won (a Springer book from our catalogue up to a value of € 75)....
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.