00273nam a2200109 a 4500008004100000050001800041100001800059245003100077260003200108300001400140350000900154120416s1970    ||||||||||||||||| ||    u  aTK 7878.4 Bou  aBouwens, A. J10aDigital instruments course  aEindhovenbPhillipsc(1970)  a5v : ill.  a0.00