The book’s author is called Hans Freudenthal. The book is called LINCOS and was published in 1960 by North-Holland Press (later absorbed by Springer Verlag). This is how one review of it opens:

"The exploration of outer space has begun, and it is expected that serious scholars will begin to consider various problems associated with cosmic communications. In this book the author sets for himself the task of designing a language for cosmic communication."
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