00423nam a2200109Ia 4500082002000000245003100020100010000051942000700151008004100158999001900199952009500218  aST 621.381 VANH 0aIndustrial electronics N2   a VAN HEERDEN, R B J (Roelof Barend Johannes)   Northcliff [Johannesburg], 2005  1st ed  937023  cBK210817s9999    xx            000 0 und d  c235121d235120  00104070aLEBOLbLEBOLd2021-08-18g81.65l0p33228017621416r2021-08-18w2021-08-18yBK