00250nam a2200073Ia 4500082001900000245003100019100008500050008004100135  aST|621.38|VANH 0aIndustrial electronics N4   a VAN HEERDEN, R B J (Roelof Barend Johannes)     Pinegowrie, 2000    1st ed     210817s9999    xx            000 0 und d