One of the very rare (is it the only one ?) books on cybernetics that appeared in Dutch before the 1960s, published in 1959 by the neurophysiologist S.T.Bok. Didn't realize there was a Dutch word for 'negative feedback': "tegenkoppeling", which translates as 'counterlinking'.

#cybernetics #stbok #tegenkoppeling #systemsthatmatter