Is the article worth the money?

Question

Mathematics

Is the article by IJ Good, “The serial test for sampling numbers and other tests for randomness,” Cambridge, 1953 worth the money ($35), or has it already been sorted out in simpler language somewhere else? If it's not worth it, can you please throw links to resources on the topic (not Wikipedia)

Answer 1

Links:
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In the age of information, everything is paid - for free, the main thing is to learn how to google.
Good luck to you)