00454nam a2200145Ia 4500003000900000008004100009040001600050080001600066100001800082245010500100260003300205300001300238650004100251650001600292IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a621.38bBEN  aBenson, F. A. 0aProblems in electronics with solutionscF. A. Benson                                                  aLondonbE and F N Sponc1958  ax, 219p.  aAstronomy and astrophysics thesaurus  aElectronics