00446nam a2200109Ia 4500082002000000245007600020100007700096942000700173008004100180999001900221952009600240  aST 621.381 VANH 0aElectronic control & digital electronics. NQF level 4 : student's book   a VAN HEERDEN, R B J (Roelof Barend Johannes)   Northcliff, 2009  960183  cBK210817s9999    xx            000 0 und d  c225503d225502  00104070aSAKHLbSAKHLd2021-08-18g229.00l0p33228022482846r2021-08-18w2021-08-18yBK